51120141 has 4 divisors (see below), whose sum is σ = 68160192. Its totient is φ = 34080092.

The previous prime is 51120133. The next prime is 51120149. The reversal of 51120141 is 14102115.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (51120133) and next prime (51120149).

It is a cyclic number.

It is not a de Polignac number, because 51120141 - 2³ = 51120133 is a prime.

It is a super-2 number, since 2×51120141² = 5226537631719762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51120141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51120149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8520021 + ... + 8520026.

It is an arithmetic number, because the mean of its divisors is an integer number (17040048).

Almost surely, 2^51120141 is an apocalyptic number.

It is an amenable number.

51120141 is a deficient number, since it is larger than the sum of its proper divisors (17040051).

51120141 is a wasteful number, since it uses less digits than its factorization.

51120141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17040050.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 51120141 is about 7149.8350330620. The cubic root of 51120141 is about 371.1339475597.

Adding to 51120141 its reverse (14102115), we get a palindrome (65222256).

The spelling of 51120141 in words is "fifty-one million, one hundred twenty thousand, one hundred forty-one".