126642652 has 24 divisors (see below), whose sum is σ = 233604000. Its totient is φ = 59981376.

The previous prime is 126642641. The next prime is 126642667. The reversal of 126642652 is 256246621.

It is a super-2 number, since 2×126642652² = 32076722611186208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4152 + ... + 16447.

It is an arithmetic number, because the mean of its divisors is an integer number (9733500).

Almost surely, 2^126642652 is an apocalyptic number.

It is an amenable number.

126642652 is a deficient number, since it is larger than the sum of its proper divisors (106961348).

126642652 is a wasteful number, since it uses less digits than its factorization.

126642652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20685 (or 20683 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 126642652 is about 11253.5617472869. The cubic root of 126642652 is about 502.1806781260.

The spelling of 126642652 in words is "one hundred twenty-six million, six hundred forty-two thousand, six hundred fifty-two".