1012488521 has 8 divisors (see below), whose sum is σ = 1125373824. Its totient is φ = 903076720.

The previous prime is 1012488493. The next prime is 1012488559. The reversal of 1012488521 is 1258842101.

1012488521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012488521 - 2⁶ = 1012488457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012488821) 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, 867761 + ... + 868926.

It is an arithmetic number, because the mean of its divisors is an integer number (140671728).

Almost surely, 2^1012488521 is an apocalyptic number.

1012488521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012488521 is a deficient number, since it is larger than the sum of its proper divisors (112885303).

1012488521 is a wasteful number, since it uses less digits than its factorization.

1012488521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736751.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 1012488521 is about 31819.6247778003. The cubic root of 1012488521 is about 1004.1456303332.

The spelling of 1012488521 in words is "one billion, twelve million, four hundred eighty-eight thousand, five hundred twenty-one".