126061572 has 96 divisors (see below), whose sum is σ = 367639552. Its totient is φ = 32731776.

The previous prime is 126061549. The next prime is 126061577. The reversal of 126061572 is 275160621.

It is a super-2 number, since 2×126061572² = 31783039870222368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126061577) 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, 72303 + ... + 74025.

Almost surely, 2^126061572 is an apocalyptic number.

126061572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126061572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183819776).

126061572 is an abundant number, since it is smaller than the sum of its proper divisors (241577980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126061572 is a wasteful number, since it uses less digits than its factorization.

126061572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 126061572 is about 11227.7144602096. The cubic root of 126061572 is about 501.4114412514.

The spelling of 126061572 in words is "one hundred twenty-six million, sixty-one thousand, five hundred seventy-two".