51121301 has 16 divisors (see below), whose sum is σ = 65294208. Its totient is φ = 38860800.

The previous prime is 51121253. The next prime is 51121307. The reversal of 51121301 is 10312115.

It is not a de Polignac number, because 51121301 - 2⁶ = 51121237 is a prime.

It is a super-2 number, since 2×51121301² = 5226774831865202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51121307) 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, 4940 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (4080888).

Almost surely, 2^51121301 is an apocalyptic number.

It is an amenable number.

51121301 is a deficient number, since it is larger than the sum of its proper divisors (14172907).

51121301 is a wasteful number, since it uses less digits than its factorization.

51121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16252.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 51121301 is about 7149.9161533545. The cubic root of 51121301 is about 371.1367547515.

Adding to 51121301 its reverse (10312115), we get a palindrome (61433416).

It can be divided in two parts, 511 and 21301, that added together give a palindrome (21812).

The spelling of 51121301 in words is "fifty-one million, one hundred twenty-one thousand, three hundred one".