1217940094 has 8 divisors (see below), whose sum is σ = 2087897328. Its totient is φ = 521974320.

The previous prime is 1217940079. The next prime is 1217940133. The reversal of 1217940094 is 4900497121.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 43497847 + ... + 43497874.

It is an arithmetic number, because the mean of its divisors is an integer number (260987166).

Almost surely, 2^1217940094 is an apocalyptic number.

1217940094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1217940094 is a deficient number, since it is larger than the sum of its proper divisors (869957234).

1217940094 is an equidigital number, since it uses as much as digits as its factorization.

1217940094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86995730.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1217940094 is about 34898.9984670048. The cubic root of 1217940094 is about 1067.9280058966.

The spelling of 1217940094 in words is "one billion, two hundred seventeen million, nine hundred forty thousand, ninety-four".