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120412141 = 964312487
BaseRepresentation
bin1110010110101…
…01011111101101
322101120120101221
413023111133231
5221311142031
615540503341
72661325543
oct713253755
9271516357
10120412141
1161a73473
12343aab51
131bc3c6b5
1411dc5d93
15a887a11
hex72d57ed

120412141 has 4 divisors (see below), whose sum is σ = 120434272. Its totient is φ = 120390012.

The previous prime is 120412111. The next prime is 120412151. The reversal of 120412141 is 141214021.

It is a happy number.

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 120412141 - 27 = 120412013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120412111) 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, 3400 + ... + 15886.

It is an arithmetic number, because the mean of its divisors is an integer number (30108568).

Almost surely, 2120412141 is an apocalyptic number.

It is an amenable number.

120412141 is a deficient number, since it is larger than the sum of its proper divisors (22131).

120412141 is an equidigital number, since it uses as much as digits as its factorization.

120412141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22130.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 120412141 is about 10973.2466025329. The cubic root of 120412141 is about 493.8064513568.

Adding to 120412141 its reverse (141214021), we get a palindrome (261626162).

The spelling of 120412141 in words is "one hundred twenty million, four hundred twelve thousand, one hundred forty-one".

Divisors: 1 9643 12487 120412141