1512120140 has 12 divisors (see below), whose sum is σ = 3175452336. Its totient is φ = 604848048.

The previous prime is 1512120091. The next prime is 1512120151. The reversal of 1512120140 is 410212151.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37802984 + ... + 37803023.

It is an arithmetic number, because the mean of its divisors is an integer number (264621028).

Almost surely, 2^1512120140 is an apocalyptic number.

1512120140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1512120140 is an abundant number, since it is smaller than the sum of its proper divisors (1663332196).

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

1512120140 is a wasteful number, since it uses less digits than its factorization.

1512120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75606016 (or 75606014 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1512120140 is about 38885.9889934665. The cubic root of 1512120140 is about 1147.7891082700.

Adding to 1512120140 its reverse (410212151), we get a palindrome (1922332291).

The spelling of 1512120140 in words is "one billion, five hundred twelve million, one hundred twenty thousand, one hundred forty".