1245313234 has 16 divisors (see below), whose sum is σ = 2057965056. Its totient is φ = 560446000.

The previous prime is 1245313229. The next prime is 1245313249. The reversal of 1245313234 is 4323135421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278002 + ... + 282445.

It is an arithmetic number, because the mean of its divisors is an integer number (128622816).

Almost surely, 2^1245313234 is an apocalyptic number.

1245313234 is a deficient number, since it is larger than the sum of its proper divisors (812651822).

1245313234 is a wasteful number, since it uses less digits than its factorization.

1245313234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560561.

The product of its digits is 8640, while the sum is 28.

The square root of 1245313234 is about 35288.9959335768. The cubic root of 1245313234 is about 1075.8693480433.

Adding to 1245313234 its reverse (4323135421), we get a palindrome (5568448655).

It can be divided in two parts, 124531 and 3234, that added together give a triangular number (127765 = T₅₀₅).

The spelling of 1245313234 in words is "one billion, two hundred forty-five million, three hundred thirteen thousand, two hundred thirty-four".