51120002 has 8 divisors (see below), whose sum is σ = 77730636. Its totient is φ = 25209792.

The previous prime is 51119987. The next prime is 51120029. The reversal of 51120002 is 20002115.

It can be written as a sum of positive squares in 2 ways, for example, as 50395801 + 724201 = 7099^2 + 851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51120002² = 5226509208960008, 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, 174923 + ... + 175214.

Almost surely, 2^51120002 is an apocalyptic number.

51120002 is a deficient number, since it is larger than the sum of its proper divisors (26610634).

51120002 is a wasteful number, since it uses less digits than its factorization.

51120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350212.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 51120002 is about 7149.8253125513. The cubic root of 51120002 is about 371.1336111779.

Adding to 51120002 its reverse (20002115), we get a palindrome (71122117).

The spelling of 51120002 in words is "fifty-one million, one hundred twenty thousand, two".