1216075004 has 12 divisors (see below), whose sum is σ = 2185648584. Its totient is φ = 591603984.

The previous prime is 1216074997. The next prime is 1216075043. The reversal of 1216075004 is 4005706121.

It is a super-5 number, since 5×1216075004⁵ (a number of 47 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4108214 + ... + 4108509.

It is an arithmetic number, because the mean of its divisors is an integer number (182137382).

Almost surely, 2^1216075004 is an apocalyptic number.

It is an amenable number.

1216075004 is a deficient number, since it is larger than the sum of its proper divisors (969573580).

1216075004 is a wasteful number, since it uses less digits than its factorization.

1216075004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216764 (or 8216762 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1216075004 is about 34872.2669753488. The cubic root of 1216075004 is about 1067.3826043004.

The spelling of 1216075004 in words is "one billion, two hundred sixteen million, seventy-five thousand, four".