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120994897 = 626319319
BaseRepresentation
bin1110011011000…
…11110001010001
322102200011210111
413031203301101
5221433314042
620001201321
72666303542
oct715436121
9272604714
10120994897
1162331291
1234630241
131c0b4a1a
14120d84c9
15a950517
hex7363c51

120994897 has 4 divisors (see below), whose sum is σ = 121020480. Its totient is φ = 120969316.

The previous prime is 120994889. The next prime is 120994943. The reversal of 120994897 is 798499021.

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 120994897 - 23 = 120994889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120994897.

It is not an unprimeable number, because it can be changed into a prime (120994817) 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, 3397 + ... + 15922.

It is an arithmetic number, because the mean of its divisors is an integer number (30255120).

Almost surely, 2120994897 is an apocalyptic number.

It is an amenable number.

120994897 is a deficient number, since it is larger than the sum of its proper divisors (25583).

120994897 is an equidigital number, since it uses as much as digits as its factorization.

120994897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25582.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 120994897 is about 10999.7680430089. The cubic root of 120994897 is about 494.6017910910.

The spelling of 120994897 in words is "one hundred twenty million, nine hundred ninety-four thousand, eight hundred ninety-seven".

Divisors: 1 6263 19319 120994897