1253297746 has 8 divisors (see below), whose sum is σ = 1880475264. Its totient is φ = 626472660.

The previous prime is 1253297743. The next prime is 1253297753. The reversal of 1253297746 is 6477923521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1253297696 and 1253297705.

It is not an unprimeable number, because it can be changed into a prime (1253297743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79030 + ... + 93553.

It is an arithmetic number, because the mean of its divisors is an integer number (235059408).

Almost surely, 2^1253297746 is an apocalyptic number.

1253297746 is a deficient number, since it is larger than the sum of its proper divisors (627177518).

1253297746 is a wasteful number, since it uses less digits than its factorization.

1253297746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176216.

The product of its digits is 635040, while the sum is 46.

The square root of 1253297746 is about 35401.9455115111. The cubic root of 1253297746 is about 1078.1638169610.

The spelling of 1253297746 in words is "one billion, two hundred fifty-three million, two hundred ninety-seven thousand, seven hundred forty-six".