1248225629 has 32 divisors (see below), whose sum is σ = 1564738560. Its totient is φ = 971373312.

The previous prime is 1248225593. The next prime is 1248225659. The reversal of 1248225629 is 9265228421.

It is a happy number.

It is not a de Polignac number, because 1248225629 - 2²⁸ = 979790173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248225659) 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, 423242 + ... + 426180.

It is an arithmetic number, because the mean of its divisors is an integer number (48898080).

Almost surely, 2^1248225629 is an apocalyptic number.

It is an amenable number.

1248225629 is a deficient number, since it is larger than the sum of its proper divisors (316512931).

1248225629 is a wasteful number, since it uses less digits than its factorization.

1248225629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089.

The product of its digits is 138240, while the sum is 41.

The square root of 1248225629 is about 35330.2367526740. The cubic root of 1248225629 is about 1076.7074014606.

The spelling of 1248225629 in words is "one billion, two hundred forty-eight million, two hundred twenty-five thousand, six hundred twenty-nine".