1157075 has 12 divisors (see below), whose sum is σ = 1482048. Its totient is φ = 895200.

The previous prime is 1157069. The next prime is 1157077. The reversal of 1157075 is 5707511.

It is not a de Polignac number, because 1157075 - 2⁴ = 1157059 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157077) 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, 29 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (123504).

2^1157075 is an apocalyptic number.

1157075 is a deficient number, since it is larger than the sum of its proper divisors (324973).

1157075 is a wasteful number, since it uses less digits than its factorization.

1157075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 26.

The square root of 1157075 is about 1075.6742071836. The cubic root of 1157075 is about 104.9833684920.

The spelling of 1157075 in words is "one million, one hundred fifty-seven thousand, seventy-five".