1253421150426 has 48 divisors (see below), whose sum is σ = 2733224472576. Its totient is φ = 415121178528.

The previous prime is 1253421150403. The next prime is 1253421150437. The reversal of 1253421150426 is 6240511243521.

1253421150426 is a `hidden beast` number, since 1 + 2 + 534 + 2 + 115 + 0 + 4 + 2 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4674471 + ... + 4935333.

It is an arithmetic number, because the mean of its divisors is an integer number (56942176512).

Almost surely, 2^{1253421150426} is an apocalyptic number.

1253421150426 is an abundant number, since it is smaller than the sum of its proper divisors (1479803322150).

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

1253421150426 is a wasteful number, since it uses less digits than its factorization.

1253421150426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262587 (or 262584 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 1253421150426 its reverse (6240511243521), we get a palindrome (7493932393947).

The spelling of 1253421150426 in words is "one trillion, two hundred fifty-three billion, four hundred twenty-one million, one hundred fifty thousand, four hundred twenty-six".