1521132000 has 96 divisors (see below), whose sum is σ = 4983267744. Its totient is φ = 405632000.

The previous prime is 1521131999. The next prime is 1521132007. The reversal of 1521132000 is 2311251.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1521132000² = 4627685122848000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521132007) 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, 51381 + ... + 75380.

It is an arithmetic number, because the mean of its divisors is an integer number (51909039).

Almost surely, 2^1521132000 is an apocalyptic number.

1521132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1521132000 is an abundant number, since it is smaller than the sum of its proper divisors (3462135744).

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

1521132000 is a wasteful number, since it uses less digits than its factorization.

1521132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126789 (or 126771 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1521132000 is about 39001.6922709772. The cubic root of 1521132000 is about 1150.0647726592.

Adding to 1521132000 its reverse (2311251), we get a palindrome (1523443251).

The spelling of 1521132000 in words is "one billion, five hundred twenty-one million, one hundred thirty-two thousand".