107721351 has 12 divisors (see below), whose sum is σ = 162362928. Its totient is φ = 68691744.

The previous prime is 107721349. The next prime is 107721353. The reversal of 107721351 is 153127701.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (107721349) and next prime (107721353).

It is not a de Polignac number, because 107721351 - 2¹ = 107721349 is a prime.

It is a super-2 number, since 2×107721351² = 23207778922530402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107721353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259990 + ... + 260403.

It is an arithmetic number, because the mean of its divisors is an integer number (13530244).

Almost surely, 2^107721351 is an apocalyptic number.

107721351 is a deficient number, since it is larger than the sum of its proper divisors (54641577).

107721351 is a wasteful number, since it uses less digits than its factorization.

107721351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520422 (or 520419 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 107721351 is about 10378.8896805005. The cubic root of 107721351 is about 475.8104001497.

The spelling of 107721351 in words is "one hundred seven million, seven hundred twenty-one thousand, three hundred fifty-one".