1217433970 has 16 divisors (see below), whose sum is σ = 2191789440. Its totient is φ = 486882864.

The previous prime is 1217433967. The next prime is 1217433983. The reversal of 1217433970 is 793347121.

It is a happy number.

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, 80209 + ... + 94171.

It is an arithmetic number, because the mean of its divisors is an integer number (136986840).

Almost surely, 2^1217433970 is an apocalyptic number.

1217433970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1217433970 is a deficient number, since it is larger than the sum of its proper divisors (974355470).

1217433970 is a wasteful number, since it uses less digits than its factorization.

1217433970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22689.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 1217433970 is about 34891.7464452555. The cubic root of 1217433970 is about 1067.7800569447.

The spelling of 1217433970 in words is "one billion, two hundred seventeen million, four hundred thirty-three thousand, nine hundred seventy".