1157956 has 6 divisors (see below), whose sum is σ = 2026430. Its totient is φ = 578976.

The previous prime is 1157953. The next prime is 1157969. The reversal of 1157956 is 6597511.

It can be written as a sum of positive squares in only one way, i.e., 695556 + 462400 = 834^2 + 680^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1157953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144741 + ... + 144748.

2^1157956 is an apocalyptic number.

It is an amenable number.

1157956 is a deficient number, since it is larger than the sum of its proper divisors (868474).

1157956 is a wasteful number, since it uses less digits than its factorization.

1157956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289493 (or 289491 counting only the distinct ones).

The product of its digits is 9450, while the sum is 34.

The square root of 1157956 is about 1076.0836398719. The cubic root of 1157956 is about 105.0100066049.

The spelling of 1157956 in words is "one million, one hundred fifty-seven thousand, nine hundred fifty-six".