49122140 has 12 divisors (see below), whose sum is σ = 103156536. Its totient is φ = 19648848.

The previous prime is 49122137. The next prime is 49122187. The reversal of 49122140 is 4122194.

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, 1228034 + ... + 1228073.

It is an arithmetic number, because the mean of its divisors is an integer number (8596378).

Almost surely, 2^49122140 is an apocalyptic number.

It is an amenable number.

49122140 is an abundant number, since it is smaller than the sum of its proper divisors (54034396).

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

49122140 is a wasteful number, since it uses less digits than its factorization.

49122140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456116 (or 2456114 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 49122140 is about 7008.7188558252. The cubic root of 49122140 is about 366.2343647105.

The spelling of 49122140 in words is "forty-nine million, one hundred twenty-two thousand, one hundred forty".