126723532 has 24 divisors (see below), whose sum is σ = 242396336. Its totient is φ = 57613248.

The previous prime is 126723523. The next prime is 126723539. The reversal of 126723532 is 235327621.

It is a junction number, because it is equal to n+sod(n) for n = 126723494 and 126723503.

It is not an unprimeable number, because it can be changed into a prime (126723539) 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, 14703 + ... + 21670.

Almost surely, 2^126723532 is an apocalyptic number.

It is an amenable number.

126723532 is a deficient number, since it is larger than the sum of its proper divisors (115672804).

126723532 is a wasteful number, since it uses less digits than its factorization.

126723532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36457 (or 36455 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 126723532 is about 11257.1547026769. The cubic root of 126723532 is about 502.2875608366.

The spelling of 126723532 in words is "one hundred twenty-six million, seven hundred twenty-three thousand, five hundred thirty-two".