3472139121 has 16 divisors (see below), whose sum is σ = 5081376000. Its totient is φ = 2091413520.

The previous prime is 3472139119. The next prime is 3472139123. The reversal of 3472139121 is 1219312743.

It is an interprime number because it is at equal distance from previous prime (3472139119) and next prime (3472139123).

It is not a de Polignac number, because 3472139121 - 2¹ = 3472139119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3472139123) 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, 317371 + ... + 328128.

It is an arithmetic number, because the mean of its divisors is an integer number (317586000).

Almost surely, 2^3472139121 is an apocalyptic number.

It is an amenable number.

3472139121 is a deficient number, since it is larger than the sum of its proper divisors (1609236879).

3472139121 is a wasteful number, since it uses less digits than its factorization.

3472139121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645676.

The product of its digits is 9072, while the sum is 33.

The square root of 3472139121 is about 58924.8599574068. The cubic root of 3472139121 is about 1514.2550802017.

The spelling of 3472139121 in words is "three billion, four hundred seventy-two million, one hundred thirty-nine thousand, one hundred twenty-one".