1253630106 has 24 divisors (see below), whose sum is σ = 2716930944. Its totient is φ = 417764040.

The previous prime is 1253630101. The next prime is 1253630117. The reversal of 1253630106 is 6010363521.

1253630106 is a `hidden beast` number, since 1 + 25 + 3 + 630 + 1 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1253630106.

It is not an unprimeable number, because it can be changed into a prime (1253630101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84721 + ... + 98411.

It is an arithmetic number, because the mean of its divisors is an integer number (113205456).

Almost surely, 2^1253630106 is an apocalyptic number.

1253630106 is an abundant number, since it is smaller than the sum of its proper divisors (1463300838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253630106 is a wasteful number, since it uses less digits than its factorization.

1253630106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18786 (or 18783 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1253630106 is about 35406.6392926524. The cubic root of 1253630106 is about 1078.2591140433.

Adding to 1253630106 its reverse (6010363521), we get a palindrome (7263993627).

It can be divided in two parts, 1253630 and 106, that added together give a triangular number (1253736 = T₁₅₈₃).

The spelling of 1253630106 in words is "one billion, two hundred fifty-three million, six hundred thirty thousand, one hundred six".