52120430 has 16 divisors (see below), whose sum is σ = 96105744. Its totient is φ = 20339520.

The previous prime is 52120427. The next prime is 52120433. The reversal of 52120430 is 3402125.

It is an interprime number because it is at equal distance from previous prime (52120427) and next prime (52120433).

It is a junction number, because it is equal to n+sod(n) for n = 52120399 and 52120408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52120433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63152 + ... + 63971.

It is an arithmetic number, because the mean of its divisors is an integer number (6006609).

Almost surely, 2^52120430 is an apocalyptic number.

52120430 is a deficient number, since it is larger than the sum of its proper divisors (43985314).

52120430 is a wasteful number, since it uses less digits than its factorization.

52120430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127171.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 52120430 is about 7219.4480398435. The cubic root of 52120430 is about 373.5390385992.

Adding to 52120430 its reverse (3402125), we get a palindrome (55522555).

The spelling of 52120430 in words is "fifty-two million, one hundred twenty thousand, four hundred thirty".