1012290453 has 10 divisors (see below), whose sum is σ = 1512187094. Its totient is φ = 674860248.

The previous prime is 1012290439. The next prime is 1012290481. The reversal of 1012290453 is 3540922101.

1012290453 is a `hidden beast` number, since 1 + 0 + 122 + 90 + 453 = 666.

It can be written as a sum of positive squares in only one way, i.e., 853983729 + 158306724 = 29223^2 + 12582^2 .

It is not a de Polignac number, because 1012290453 - 2¹³ = 1012282261 is a prime.

It is a super-2 number, since 2×1012290453² = 2049463922469890418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012290413) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6248626 + ... + 6248787.

Almost surely, 2^1012290453 is an apocalyptic number.

It is an amenable number.

1012290453 is a deficient number, since it is larger than the sum of its proper divisors (499896641).

1012290453 is an equidigital number, since it uses as much as digits as its factorization.

1012290453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12497425 (or 12497416 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1012290453 is about 31816.5122695747. The cubic root of 1012290453 is about 1004.0801474221.

The spelling of 1012290453 in words is "one billion, twelve million, two hundred ninety thousand, four hundred fifty-three".