1156490 has 16 divisors (see below), whose sum is σ = 2102760. Its totient is φ = 457920.

The previous prime is 1156483. The next prime is 1156501. The reversal of 1156490 is 946511.

It can be written as a sum of positive squares in 4 ways, for example, as 1067089 + 89401 = 1033^2 + 299^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560 + ... + 1620.

2^1156490 is an apocalyptic number.

1156490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156490 is a deficient number, since it is larger than the sum of its proper divisors (946270).

1156490 is a wasteful number, since it uses less digits than its factorization.

1156490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1156490 is about 1075.4022503231. The cubic root of 1156490 is about 104.9656728302.

The spelling of 1156490 in words is "one million, one hundred fifty-six thousand, four hundred ninety".