1064312421 has 16 divisors (see below), whose sum is σ = 1518056064. Its totient is φ = 660916224.

The previous prime is 1064312413. The next prime is 1064312443. The reversal of 1064312421 is 1242134601.

It is not a de Polignac number, because 1064312421 - 2³ = 1064312413 is a prime.

It is a super-2 number, since 2×1064312421² = 2265521858989762482, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1064312391 and 1064312400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064312401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102625 + ... + 112518.

It is an arithmetic number, because the mean of its divisors is an integer number (94878504).

Almost surely, 2^1064312421 is an apocalyptic number.

It is an amenable number.

1064312421 is a deficient number, since it is larger than the sum of its proper divisors (453743643).

1064312421 is a wasteful number, since it uses less digits than its factorization.

1064312421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215260.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1064312421 is about 32623.8014492487. The cubic root of 1064312421 is about 1020.9936558765.

The spelling of 1064312421 in words is "one billion, sixty-four million, three hundred twelve thousand, four hundred twenty-one".