107215397 has 4 divisors (see below), whose sum is σ = 111876960. Its totient is φ = 102553836.

The previous prime is 107215393. The next prime is 107215421. The reversal of 107215397 is 793512701.

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 107215397 - 2² = 107215393 is a prime.

It is a super-2 number, since 2×107215397² = 22990282707735218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107215393) 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, 2330747 + ... + 2330792.

It is an arithmetic number, because the mean of its divisors is an integer number (27969240).

Almost surely, 2^107215397 is an apocalyptic number.

It is an amenable number.

107215397 is a deficient number, since it is larger than the sum of its proper divisors (4661563).

107215397 is an equidigital number, since it uses as much as digits as its factorization.

107215397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661562.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 107215397 is about 10354.4868052453. The cubic root of 107215397 is about 475.0642897285.

The spelling of 107215397 in words is "one hundred seven million, two hundred fifteen thousand, three hundred ninety-seven".