1551130120 has 64 divisors (see below), whose sum is σ = 3653320320. Its totient is φ = 591596544.

The previous prime is 1551130111. The next prime is 1551130123. The reversal of 1551130120 is 210311551.

It is not an unprimeable number, because it can be changed into a prime (1551130123) 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, 307539 + ... + 312541.

It is an arithmetic number, because the mean of its divisors is an integer number (57083130).

Almost surely, 2^1551130120 is an apocalyptic number.

1551130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551130120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826660160).

1551130120 is an abundant number, since it is smaller than the sum of its proper divisors (2102190200).

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

1551130120 is a wasteful number, since it uses less digits than its factorization.

1551130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1551130120 is about 39384.3892932212. The cubic root of 1551130120 is about 1157.5757238128.

Adding to 1551130120 its reverse (210311551), we get a palindrome (1761441671).

The spelling of 1551130120 in words is "one billion, five hundred fifty-one million, one hundred thirty thousand, one hundred twenty".