126400532 has 6 divisors (see below), whose sum is σ = 221200938. Its totient is φ = 63200264.

The previous prime is 126400523. The next prime is 126400541. The reversal of 126400532 is 235004621.

It is an interprime number because it is at equal distance from previous prime (126400523) and next prime (126400541).

It can be written as a sum of positive squares in only one way, i.e., 112232836 + 14167696 = 10594^2 + 3764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126400498 and 126400507.

It is a congruent 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 as a sum of consecutive naturals, namely, 15800063 + ... + 15800070.

It is an arithmetic number, because the mean of its divisors is an integer number (36866823).

Almost surely, 2^126400532 is an apocalyptic number.

It is an amenable number.

126400532 is a deficient number, since it is larger than the sum of its proper divisors (94800406).

126400532 is a wasteful number, since it uses less digits than its factorization.

126400532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31600137 (or 31600135 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 126400532 is about 11242.7991176575. The cubic root of 126400532 is about 501.8604449036.

The spelling of 126400532 in words is "one hundred twenty-six million, four hundred thousand, five hundred thirty-two".