1253127722 has 64 divisors (see below), whose sum is σ = 2453760000. Its totient is φ = 465410880.

The previous prime is 1253127713. The next prime is 1253127751. The reversal of 1253127722 is 2277213521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1767104 + ... + 1767812.

It is an arithmetic number, because the mean of its divisors is an integer number (38340000).

Almost surely, 2^1253127722 is an apocalyptic number.

1253127722 is a deficient number, since it is larger than the sum of its proper divisors (1200632278).

1253127722 is a wasteful number, since it uses less digits than its factorization.

1253127722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its digits is 11760, while the sum is 32.

The square root of 1253127722 is about 35399.5440931094. The cubic root of 1253127722 is about 1078.1150597216.

The spelling of 1253127722 in words is "one billion, two hundred fifty-three million, one hundred twenty-seven thousand, seven hundred twenty-two".