1157058 has 32 divisors (see below), whose sum is σ = 2939520. Its totient is φ = 330480.

The previous prime is 1157053. The next prime is 1157059. The reversal of 1157058 is 8507511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1157053) 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, 1153 + ... + 1908.

It is an arithmetic number, because the mean of its divisors is an integer number (91860).

2^1157058 is an apocalyptic number.

1157058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1157058 is an abundant number, since it is smaller than the sum of its proper divisors (1782462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157058 is a wasteful number, since it uses less digits than its factorization.

1157058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079 (or 3073 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 1157058 is about 1075.6663051337. Note that the first 3 decimals coincide. The cubic root of 1157058 is about 104.9828543433.

It can be divided in two parts, 11570 and 58, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 1157058 in words is "one million, one hundred fifty-seven thousand, fifty-eight".