2142165124 has 36 divisors (see below), whose sum is σ = 4147999744. Its totient is φ = 967230000.

The previous prime is 2142165083. The next prime is 2142165139. The reversal of 2142165124 is 4215612412.

It is a junction number, because it is equal to n+sod(n) for n = 2142165092 and 2142165101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58429 + ... + 87739.

Almost surely, 2^2142165124 is an apocalyptic number.

It is an amenable number.

2142165124 is a deficient number, since it is larger than the sum of its proper divisors (2005834620).

2142165124 is a wasteful number, since it uses less digits than its factorization.

2142165124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29488 (or 29475 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2142165124 is about 46283.5297271070. The cubic root of 2142165124 is about 1289.0931920040.

Adding to 2142165124 its reverse (4215612412), we get a palindrome (6357777536).

The spelling of 2142165124 in words is "two billion, one hundred forty-two million, one hundred sixty-five thousand, one hundred twenty-four".