1012534452 has 48 divisors (see below), whose sum is σ = 2696048320. Its totient is φ = 328388256.

The previous prime is 1012534447. The next prime is 1012534469. The reversal of 1012534452 is 2544352101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122698 + ... + 130689.

Almost surely, 2^1012534452 is an apocalyptic number.

1012534452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012534452 is an abundant number, since it is smaller than the sum of its proper divisors (1683513868).

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

1012534452 is a wasteful number, since it uses less digits than its factorization.

1012534452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253437 (or 253429 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1012534452 is about 31820.3465097412. The cubic root of 1012534452 is about 1004.1608142800.

Adding to 1012534452 its reverse (2544352101), we get a palindrome (3556886553).

The spelling of 1012534452 in words is "one billion, twelve million, five hundred thirty-four thousand, four hundred fifty-two".