126220532 has 6 divisors (see below), whose sum is σ = 220885938. Its totient is φ = 63110264.

The previous prime is 126220519. The next prime is 126220541. The reversal of 126220532 is 235022621.

It can be written as a sum of positive squares in only one way, i.e., 84566416 + 41654116 = 9196^2 + 6454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126220498 and 126220507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15777563 + ... + 15777570.

It is an arithmetic number, because the mean of its divisors is an integer number (36814323).

Almost surely, 2^126220532 is an apocalyptic number.

It is an amenable number.

126220532 is a deficient number, since it is larger than the sum of its proper divisors (94665406).

126220532 is a wasteful number, since it uses less digits than its factorization.

126220532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555137 (or 31555135 counting only the distinct ones).

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

The square root of 126220532 is about 11234.7911418059. The cubic root of 126220532 is about 501.6221078414.

The spelling of 126220532 in words is "one hundred twenty-six million, two hundred twenty thousand, five hundred thirty-two".