1553242012 has 24 divisors (see below), whose sum is σ = 3113682656. Its totient is φ = 664132608.

The previous prime is 1553241971. The next prime is 1553242013. The reversal of 1553242012 is 2102423551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553242013) 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, 51933 + ... + 76180.

Almost surely, 2^1553242012 is an apocalyptic number.

It is an amenable number.

1553242012 is an abundant number, since it is smaller than the sum of its proper divisors (1560440644).

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

1553242012 is a wasteful number, since it uses less digits than its factorization.

1553242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128557 (or 128555 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1553242012 is about 39411.1914562349. The cubic root of 1553242012 is about 1158.1008390664.

Adding to 1553242012 its reverse (2102423551), we get a palindrome (3655665563).

The spelling of 1553242012 in words is "one billion, five hundred fifty-three million, two hundred forty-two thousand, twelve".