1252456437 has 8 divisors (see below), whose sum is σ = 1727526240. Its totient is φ = 806178800.

The previous prime is 1252456427. The next prime is 1252456463. The reversal of 1252456437 is 7346542521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252456437 - 2¹¹ = 1252454389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252456395 and 1252456404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252456417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7197939 + ... + 7198112.

It is an arithmetic number, because the mean of its divisors is an integer number (215940780).

Almost surely, 2^1252456437 is an apocalyptic number.

It is an amenable number.

1252456437 is a deficient number, since it is larger than the sum of its proper divisors (475069803).

1252456437 is a wasteful number, since it uses less digits than its factorization.

1252456437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14396083.

The product of its digits is 201600, while the sum is 39.

The square root of 1252456437 is about 35390.0612743182. The cubic root of 1252456437 is about 1077.9225143746.

Adding to 1252456437 its reverse (7346542521), we get a palindrome (8598998958).

The spelling of 1252456437 in words is "one billion, two hundred fifty-two million, four hundred fifty-six thousand, four hundred thirty-seven".