1245074456 has 32 divisors (see below), whose sum is σ = 2445811200. Its totient is φ = 593076000.

The previous prime is 1245074449. The next prime is 1245074473. The reversal of 1245074456 is 6544705421.

It is a happy number.

It is a congruent 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, 32705 + ... + 59663.

It is an arithmetic number, because the mean of its divisors is an integer number (76431600).

Almost surely, 2^1245074456 is an apocalyptic number.

It is an amenable number.

1245074456 is a deficient number, since it is larger than the sum of its proper divisors (1200736744).

1245074456 is a wasteful number, since it uses less digits than its factorization.

1245074456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27239 (or 27235 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 1245074456 is about 35285.6125921033. The cubic root of 1245074456 is about 1075.8005807792.

Adding to 1245074456 its reverse (6544705421), we get a palindrome (7789779877).

The spelling of 1245074456 in words is "one billion, two hundred forty-five million, seventy-four thousand, four hundred fifty-six".