47137122 has 48 divisors (see below), whose sum is σ = 107186040. Its totient is φ = 14950656.

The previous prime is 47137121. The next prime is 47137127. The reversal of 47137122 is 22173174.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45037521 + 2099601 = 6711^2 + 1449^2 .

It is not an unprimeable number, because it can be changed into a prime (47137121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37488 + ... + 38724.

Almost surely, 2^47137122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47137122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53593020).

47137122 is an abundant number, since it is smaller than the sum of its proper divisors (60048918).

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

47137122 is a wasteful number, since it uses less digits than its factorization.

47137122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1344 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 47137122 is about 6865.6479665069. The cubic root of 47137122 is about 361.2332243181.

The spelling of 47137122 in words is "forty-seven million, one hundred thirty-seven thousand, one hundred twenty-two".