1252000406 has 8 divisors (see below), whose sum is σ = 1878464640. Its totient is φ = 625845528.

The previous prime is 1252000367. The next prime is 1252000471. The reversal of 1252000406 is 6040002521.

It is a happy number.

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

It is a congruent 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, 66941 + ... + 83576.

It is an arithmetic number, because the mean of its divisors is an integer number (234808080).

Almost surely, 2^1252000406 is an apocalyptic number.

1252000406 is a deficient number, since it is larger than the sum of its proper divisors (626464234).

1252000406 is a wasteful number, since it uses less digits than its factorization.

1252000406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154678.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1252000406 is about 35383.6177630270. The cubic root of 1252000406 is about 1077.7916712993.

Adding to 1252000406 its reverse (6040002521), we get a palindrome (7292002927).

The spelling of 1252000406 in words is "one billion, two hundred fifty-two million, four hundred six", and thus it is an aban number.