1252426434 has 16 divisors (see below), whose sum is σ = 2862689088. Its totient is φ = 357836112.

The previous prime is 1252426433. The next prime is 1252426447. The reversal of 1252426434 is 4346242521.

It is a junction number, because it is equal to n+sod(n) for n = 1252426395 and 1252426404.

It is not an unprimeable number, because it can be changed into a prime (1252426433) 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, 14909797 + ... + 14909880.

It is an arithmetic number, because the mean of its divisors is an integer number (178918068).

Almost surely, 2^1252426434 is an apocalyptic number.

1252426434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1252426434 is an abundant number, since it is smaller than the sum of its proper divisors (1610262654).

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

1252426434 is a wasteful number, since it uses less digits than its factorization.

1252426434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29819689.

The product of its digits is 46080, while the sum is 33.

The square root of 1252426434 is about 35389.6373815839. The cubic root of 1252426434 is about 1077.9139069781.

Adding to 1252426434 its reverse (4346242521), we get a palindrome (5598668955).

The spelling of 1252426434 in words is "one billion, two hundred fifty-two million, four hundred twenty-six thousand, four hundred thirty-four".