1252378053 has 24 divisors (see below), whose sum is σ = 1860569568. Its totient is φ = 811312992.

The previous prime is 1252378033. The next prime is 1252378069. The reversal of 1252378053 is 3508732521.

It is a happy number.

1252378053 is a `hidden beast` number, since 1 + 2 + 523 + 7 + 80 + 53 = 666.

It is not a de Polignac number, because 1252378053 - 2¹² = 1252373957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252377999 and 1252378017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252378033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68026 + ... + 84452.

It is an arithmetic number, because the mean of its divisors is an integer number (77523732).

Almost surely, 2^1252378053 is an apocalyptic number.

It is an amenable number.

1252378053 is a deficient number, since it is larger than the sum of its proper divisors (608191515).

1252378053 is a wasteful number, since it uses less digits than its factorization.

1252378053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16673 (or 16670 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1252378053 is about 35388.9538274304. The cubic root of 1252378053 is about 1077.9000269282.

The spelling of 1252378053 in words is "one billion, two hundred fifty-two million, three hundred seventy-eight thousand, fifty-three".