42102977 has 16 divisors (see below), whose sum is σ = 49644672. Its totient is φ = 34957440.

The previous prime is 42102967. The next prime is 42102979. The reversal of 42102977 is 77920124.

It is not a de Polignac number, because 42102977 - 2⁸ = 42102721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42102979) 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, 40727 + ... + 41747.

It is an arithmetic number, because the mean of its divisors is an integer number (3102792).

Almost surely, 2^42102977 is an apocalyptic number.

It is an amenable number.

42102977 is a deficient number, since it is larger than the sum of its proper divisors (7541695).

42102977 is a wasteful number, since it uses less digits than its factorization.

42102977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 42102977 is about 6488.6806825425. The cubic root of 42102977 is about 347.8865205588.

The spelling of 42102977 in words is "forty-two million, one hundred two thousand, nine hundred seventy-seven".