1216414970 has 16 divisors (see below), whose sum is σ = 2193249960. Its totient is φ = 485743104.

The previous prime is 1216414963. The next prime is 1216415021. The reversal of 1216414970 is 794146121.

It can be written as a sum of positive squares in 4 ways, for example, as 719258761 + 497156209 = 26819^2 + 22297^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1216414970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96635 + ... + 108494.

Almost surely, 2^1216414970 is an apocalyptic number.

1216414970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216414970 is a deficient number, since it is larger than the sum of its proper divisors (976834990).

1216414970 is a wasteful number, since it uses less digits than its factorization.

1216414970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205729.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1216414970 is about 34877.1410812297. The cubic root of 1216414970 is about 1067.4820608810.

The spelling of 1216414970 in words is "one billion, two hundred sixteen million, four hundred fourteen thousand, nine hundred seventy".