126582290 has 16 divisors (see below), whose sum is σ = 230105880. Its totient is φ = 50131200.

The previous prime is 126582283. The next prime is 126582299. The reversal of 126582290 is 92285621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 126405049 + 177241 = 11243^2 + 421^2 .

It is a super-2 number, since 2×126582290² = 32046152283288200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126582290.

It is not an unprimeable number, because it can be changed into a prime (126582299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61655 + ... + 63674.

Almost surely, 2^126582290 is an apocalyptic number.

126582290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126582290 is a deficient number, since it is larger than the sum of its proper divisors (103523590).

126582290 is a wasteful number, since it uses less digits than its factorization.

126582290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125437.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 126582290 is about 11250.8795211752. The cubic root of 126582290 is about 502.1008802409.

The spelling of 126582290 in words is "one hundred twenty-six million, five hundred eighty-two thousand, two hundred ninety".