51121202 has 8 divisors (see below), whose sum is σ = 83652912. Its totient is φ = 23236900.

The previous prime is 51121163. The next prime is 51121237. The reversal of 51121202 is 20212115.

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

It is a super-2 number, since 2×51121202² = 5226754587849608, 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, 1161824 + ... + 1161867.

It is an arithmetic number, because the mean of its divisors is an integer number (10456614).

Almost surely, 2^51121202 is an apocalyptic number.

51121202 is a deficient number, since it is larger than the sum of its proper divisors (32531710).

51121202 is a wasteful number, since it uses less digits than its factorization.

51121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323704.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 51121202 is about 7149.9092301931. The cubic root of 51121202 is about 371.1365151739.

Adding to 51121202 its sum of digits (14), we get a triangular number (51121216 = T₁₀₁₁₁).

Adding to 51121202 its reverse (20212115), we get a palindrome (71333317).

The spelling of 51121202 in words is "fifty-one million, one hundred twenty-one thousand, two hundred two".