49139124 has 12 divisors (see below), whose sum is σ = 114657984. Its totient is φ = 16379704.

The previous prime is 49139119. The next prime is 49139131. The reversal of 49139124 is 42193194.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047452 + ... + 2047475.

It is an arithmetic number, because the mean of its divisors is an integer number (9554832).

Almost surely, 2^49139124 is an apocalyptic number.

It is an amenable number.

49139124 is an abundant number, since it is smaller than the sum of its proper divisors (65518860).

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

49139124 is a wasteful number, since it uses less digits than its factorization.

49139124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094934 (or 4094932 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 49139124 is about 7009.9303848184. The cubic root of 49139124 is about 366.2765684074.

The spelling of 49139124 in words is "forty-nine million, one hundred thirty-nine thousand, one hundred twenty-four".