1156494530 has 16 divisors (see below), whose sum is σ = 2204142840. Its totient is φ = 435386112.

The previous prime is 1156494517. The next prime is 1156494551. The reversal of 1156494530 is 354946511.

It can be written as a sum of positive squares in 4 ways, for example, as 885003001 + 271491529 = 29749^2 + 16477^2 .

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, 3401285 + ... + 3401624.

Almost surely, 2^1156494530 is an apocalyptic number.

1156494530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156494530 is a deficient number, since it is larger than the sum of its proper divisors (1047648310).

1156494530 is a wasteful number, since it uses less digits than its factorization.

1156494530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802933.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1156494530 is about 34007.2717223831. The cubic root of 1156494530 is about 1049.6580988107.

The spelling of 1156494530 in words is "one billion, one hundred fifty-six million, four hundred ninety-four thousand, five hundred thirty".