1245616274 has 32 divisors (see below), whose sum is σ = 2150983296. Its totient is φ = 529943040.

The previous prime is 1245616271. The next prime is 1245616297. The reversal of 1245616274 is 4726165421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1245616271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516784 + ... + 1517604.

It is an arithmetic number, because the mean of its divisors is an integer number (67218228).

Almost surely, 2^1245616274 is an apocalyptic number.

1245616274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1245616274 is a deficient number, since it is larger than the sum of its proper divisors (905367022).

1245616274 is a wasteful number, since it uses less digits than its factorization.

1245616274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490.

The product of its digits is 80640, while the sum is 38.

The square root of 1245616274 is about 35293.2893621436. The cubic root of 1245616274 is about 1075.9566098919.

The spelling of 1245616274 in words is "one billion, two hundred forty-five million, six hundred sixteen thousand, two hundred seventy-four".