1021412525 has 24 divisors (see below), whose sum is σ = 1464947904. Its totient is φ = 691948800.

The previous prime is 1021412501. The next prime is 1021412527. The reversal of 1021412525 is 5252141201.

1021412525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1021412525 - 2¹⁸ = 1021150381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021412525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021412527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20636 + ... + 49685.

It is an arithmetic number, because the mean of its divisors is an integer number (61039496).

Almost surely, 2^1021412525 is an apocalyptic number.

It is an amenable number.

1021412525 is a deficient number, since it is larger than the sum of its proper divisors (443535379).

1021412525 is an equidigital number, since it uses as much as digits as its factorization.

1021412525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70421 (or 70416 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1021412525 is about 31959.5451313062. The cubic root of 1021412525 is about 1007.0871618131.

Adding to 1021412525 its reverse (5252141201), we get a palindrome (6273553726).

The spelling of 1021412525 in words is "one billion, twenty-one million, four hundred twelve thousand, five hundred twenty-five".