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153034121 = 1511013471
BaseRepresentation
bin10010001111100…
…01110110001001
3101122221221100102
421013301312021
5303134042441
623104015145
73535524422
oct1107616611
9348857312
10153034121
1179424889
12433014b5
1325921c46
1416478649
15d67d69b
hex91f1d89

153034121 has 4 divisors (see below), whose sum is σ = 154047744. Its totient is φ = 152020500.

The previous prime is 153034103. The next prime is 153034127. The reversal of 153034121 is 121430351.

153034121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153034121 - 214 = 153017737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153034093 and 153034102.

It is not an unprimeable number, because it can be changed into a prime (153034127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506585 + ... + 506886.

It is an arithmetic number, because the mean of its divisors is an integer number (38511936).

Almost surely, 2153034121 is an apocalyptic number.

It is an amenable number.

153034121 is a deficient number, since it is larger than the sum of its proper divisors (1013623).

153034121 is a wasteful number, since it uses less digits than its factorization.

153034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013622.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 153034121 is about 12370.6960596403. The cubic root of 153034121 is about 534.8878805431.

Adding to 153034121 its reverse (121430351), we get a palindrome (274464472).

The spelling of 153034121 in words is "one hundred fifty-three million, thirty-four thousand, one hundred twenty-one".

Divisors: 1 151 1013471 153034121