126224690 has 48 divisors (see below), whose sum is σ = 240807168. Its totient is φ = 47628768.

The previous prime is 126224687. The next prime is 126224701. The reversal of 126224690 is 96422621.

It is a super-2 number, since 2×126224690² = 31865344731192200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565919 + ... + 566141.

It is an arithmetic number, because the mean of its divisors is an integer number (5016816).

Almost surely, 2^126224690 is an apocalyptic number.

126224690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126224690 is a deficient number, since it is larger than the sum of its proper divisors (114582478).

126224690 is a wasteful number, since it uses less digits than its factorization.

126224690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 126224690 is about 11234.9761904510. The cubic root of 126224690 is about 501.6276159834.

It can be divided in two parts, 1262 and 24690, that added together give a palindrome (25952).

The spelling of 126224690 in words is "one hundred twenty-six million, two hundred twenty-four thousand, six hundred ninety".