1245558116 has 24 divisors (see below), whose sum is σ = 2383014816. Its totient is φ = 564941120.

The previous prime is 1245558113. The next prime is 1245558137. The reversal of 1245558116 is 6118555421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245558116.

It is not an unprimeable number, because it can be changed into a prime (1245558113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9761 + ... + 50856.

It is an arithmetic number, because the mean of its divisors is an integer number (99292284).

Almost surely, 2^1245558116 is an apocalyptic number.

It is an amenable number.

1245558116 is a deficient number, since it is larger than the sum of its proper divisors (1137456700).

1245558116 is a wasteful number, since it uses less digits than its factorization.

1245558116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61099 (or 61097 counting only the distinct ones).

The product of its digits is 48000, while the sum is 38.

The square root of 1245558116 is about 35292.4654281902. The cubic root of 1245558116 is about 1075.9398641092.

The spelling of 1245558116 in words is "one billion, two hundred forty-five million, five hundred fifty-eight thousand, one hundred sixteen".