126499499 has 32 divisors (see below), whose sum is σ = 161243136. Its totient is φ = 96744960.

The previous prime is 126499487. The next prime is 126499519. The reversal of 126499499 is 994994621.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-126499499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126499499.

It is not an unprimeable number, because it can be changed into a prime (126499799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195194 + ... + 195840.

It is an arithmetic number, because the mean of its divisors is an integer number (5038848).

Almost surely, 2^126499499 is an apocalyptic number.

126499499 is a deficient number, since it is larger than the sum of its proper divisors (34743637).

126499499 is a wasteful number, since it uses less digits than its factorization.

126499499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 1259712, while the sum is 53.

The square root of 126499499 is about 11247.1996070133. The cubic root of 126499499 is about 501.9913902006.

The spelling of 126499499 in words is "one hundred twenty-six million, four hundred ninety-nine thousand, four hundred ninety-nine".