1555130424 has 32 divisors (see below), whose sum is σ = 3992904720. Its totient is φ = 504366336.

The previous prime is 1555130393. The next prime is 1555130443. The reversal of 1555130424 is 4240315551.

It is a junction number, because it is equal to n+sod(n) for n = 1555130391 and 1555130400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874749 + ... + 876524.

Almost surely, 2^1555130424 is an apocalyptic number.

It is an amenable number.

1555130424 is an abundant number, since it is smaller than the sum of its proper divisors (2437774296).

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

1555130424 is a wasteful number, since it uses less digits than its factorization.

1555130424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751319 (or 1751315 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1555130424 is about 39435.1419928977. The cubic root of 1555130424 is about 1158.5699837770.

Adding to 1555130424 its reverse (4240315551), we get a palindrome (5795445975).

The spelling of 1555130424 in words is "one billion, five hundred fifty-five million, one hundred thirty thousand, four hundred twenty-four".