1245161768 has 32 divisors (see below), whose sum is σ = 2408432160. Its totient is φ = 603218880.

The previous prime is 1245161737. The next prime is 1245161839. The reversal of 1245161768 is 8671615421.

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, 13655 + ... + 51737.

It is an arithmetic number, because the mean of its divisors is an integer number (75263505).

Almost surely, 2^1245161768 is an apocalyptic number.

It is an amenable number.

1245161768 is a deficient number, since it is larger than the sum of its proper divisors (1163270392).

1245161768 is a wasteful number, since it uses less digits than its factorization.

1245161768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38217 (or 38213 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 1245161768 is about 35286.8497885544. The cubic root of 1245161768 is about 1075.8257273623.

The spelling of 1245161768 in words is "one billion, two hundred forty-five million, one hundred sixty-one thousand, seven hundred sixty-eight".