1253120474 has 8 divisors (see below), whose sum is σ = 1925526708. Its totient is φ = 611278240.

The previous prime is 1253120443. The next prime is 1253120489. The reversal of 1253120474 is 4740213521.

It can be written as a sum of positive squares in 2 ways, for example, as 926776249 + 326344225 = 30443^2 + 18065^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7640897 + ... + 7641060.

Almost surely, 2^1253120474 is an apocalyptic number.

1253120474 is a deficient number, since it is larger than the sum of its proper divisors (672406234).

1253120474 is a wasteful number, since it uses less digits than its factorization.

1253120474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15282000.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1253120474 is about 35399.4417187616. The cubic root of 1253120474 is about 1078.1129811377.

Adding to 1253120474 its reverse (4740213521), we get a palindrome (5993333995).

The spelling of 1253120474 in words is "one billion, two hundred fifty-three million, one hundred twenty thousand, four hundred seventy-four".