1064121531 has 32 divisors (see below), whose sum is σ = 1613414400. Its totient is φ = 617997600.

The previous prime is 1064121529. The next prime is 1064121533. The reversal of 1064121531 is 1351214601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1064121529) and next prime (1064121533).

It is not a de Polignac number, because 1064121531 - 2¹ = 1064121529 is a prime.

It is a super-2 number, since 2×1064121531² = 2264709265475567922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064121533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100320 + ... + 110418.

It is an arithmetic number, because the mean of its divisors is an integer number (50419200).

Almost surely, 2^1064121531 is an apocalyptic number.

1064121531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1064121531 is a deficient number, since it is larger than the sum of its proper divisors (549292869).

1064121531 is a wasteful number, since it uses less digits than its factorization.

1064121531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1064121531 is about 32620.8756933348. The cubic root of 1064121531 is about 1020.9326120426.

The spelling of 1064121531 in words is "one billion, sixty-four million, one hundred twenty-one thousand, five hundred thirty-one".