551120130 has 48 divisors (see below), whose sum is σ = 1563179904. Its totient is φ = 133604640.

The previous prime is 551120123. The next prime is 551120149. The reversal of 551120130 is 31021155.

551120130 is a `hidden beast` number, since 5 + 511 + 20 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277354 + ... + 279333.

It is an arithmetic number, because the mean of its divisors is an integer number (32566248).

Almost surely, 2^551120130 is an apocalyptic number.

551120130 is an abundant number, since it is smaller than the sum of its proper divisors (1012059774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551120130 is a wasteful number, since it uses less digits than its factorization.

551120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556711 (or 556708 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 551120130 is about 23475.9479041848. The cubic root of 551120130 is about 819.8771033348.

Adding to 551120130 its reverse (31021155), we get a palindrome (582141285).

The spelling of 551120130 in words is "five hundred fifty-one million, one hundred twenty thousand, one hundred thirty".