2151522124 has 12 divisors (see below), whose sum is σ = 3770305504. Its totient is φ = 1074291984.

The previous prime is 2151522101. The next prime is 2151522137. The reversal of 2151522124 is 4212251512.

It is a super-2 number, since 2×2151522124² = 9258094900122942752, which contains 22 as substring.

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, 363972 + ... + 369835.

Almost surely, 2^2151522124 is an apocalyptic number.

It is an amenable number.

2151522124 is a deficient number, since it is larger than the sum of its proper divisors (1618783380).

2151522124 is a wasteful number, since it uses less digits than its factorization.

2151522124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734544 (or 734542 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 2151522124 is about 46384.5030586725. The cubic root of 2151522124 is about 1290.9673900567.

Adding to 2151522124 its reverse (4212251512), we get a palindrome (6363773636).

The spelling of 2151522124 in words is "two billion, one hundred fifty-one million, five hundred twenty-two thousand, one hundred twenty-four".