1957115 has 16 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 1491840.

The previous prime is 1957099. The next prime is 1957117. The reversal of 1957115 is 5117591.

It is not a de Polignac number, because 1957115 - 2⁴ = 1957099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1957117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13061 + ... + 13209.

It is an arithmetic number, because the mean of its divisors is an integer number (153900).

2^1957115 is an apocalyptic number.

1957115 is a deficient number, since it is larger than the sum of its proper divisors (505285).

1957115 is a wasteful number, since it uses less digits than its factorization.

1957115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262.

The product of its digits is 1575, while the sum is 29.

The square root of 1957115 is about 1398.9692634222. The cubic root of 1957115 is about 125.0850621024.

The spelling of 1957115 in words is "one million, nine hundred fifty-seven thousand, one hundred fifteen".