127012542 has 32 divisors (see below), whose sum is σ = 269466912. Its totient is φ = 39773184.

The previous prime is 127012541. The next prime is 127012591. The reversal of 127012542 is 245210721.

It is a super-2 number, since 2×127012542² = 32264371650603528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127012541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86688 + ... + 88140.

It is an arithmetic number, because the mean of its divisors is an integer number (8420841).

Almost surely, 2^127012542 is an apocalyptic number.

127012542 is an abundant number, since it is smaller than the sum of its proper divisors (142454370).

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

127012542 is a wasteful number, since it uses less digits than its factorization.

127012542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 127012542 is about 11269.9841171139. The cubic root of 127012542 is about 502.6691156232.

The spelling of 127012542 in words is "one hundred twenty-seven million, twelve thousand, five hundred forty-two".