1245404134 has 64 divisors (see below), whose sum is σ = 2167704000. Its totient is φ = 531878400.

The previous prime is 1245404119. The next prime is 1245404177. The reversal of 1245404134 is 4314045421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5438332 + ... + 5438560.

It is an arithmetic number, because the mean of its divisors is an integer number (33870375).

Almost surely, 2^1245404134 is an apocalyptic number.

1245404134 is a deficient number, since it is larger than the sum of its proper divisors (922299866).

1245404134 is a wasteful number, since it uses less digits than its factorization.

1245404134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1245404134 is about 35290.2838469741. The cubic root of 1245404134 is about 1075.8955246286.

Adding to 1245404134 its reverse (4314045421), we get a palindrome (5559449555).

The spelling of 1245404134 in words is "one billion, two hundred forty-five million, four hundred four thousand, one hundred thirty-four".