7620146121 has 16 divisors (see below), whose sum is σ = 11808460800. Its totient is φ = 4280565648.

The previous prime is 7620146119. The next prime is 7620146153. The reversal of 7620146121 is 1216410267.

It is not a de Polignac number, because 7620146121 - 2¹ = 7620146119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7620146221) 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, 3073881 + ... + 3076358.

It is an arithmetic number, because the mean of its divisors is an integer number (738028800).

Almost surely, 2^7620146121 is an apocalyptic number.

It is an amenable number.

7620146121 is a deficient number, since it is larger than the sum of its proper divisors (4188314679).

7620146121 is a wasteful number, since it uses less digits than its factorization.

7620146121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150308.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7620146121 is about 87293.4483280389. The cubic root of 7620146121 is about 1967.8308574124.

Adding to 7620146121 its reverse (1216410267), we get a palindrome (8836556388).

It can be divided in two parts, 7620146 and 121, that added together give a palindrome (7620267).

The spelling of 7620146121 in words is "seven billion, six hundred twenty million, one hundred forty-six thousand, one hundred twenty-one".