1214249807 has 8 divisors (see below), whose sum is σ = 1273329840. Its totient is φ = 1156317120.

The previous prime is 1214249761. The next prime is 1214249843. The reversal of 1214249807 is 7089424121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1214249807 - 2⁸ = 1214249551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214249857) 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, 284669 + ... + 288902.

It is an arithmetic number, because the mean of its divisors is an integer number (159166230).

Almost surely, 2^1214249807 is an apocalyptic number.

1214249807 is a deficient number, since it is larger than the sum of its proper divisors (59080033).

1214249807 is an equidigital number, since it uses as much as digits as its factorization.

1214249807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573673.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1214249807 is about 34846.0873987310. The cubic root of 1214249807 is about 1066.8483283155.

The spelling of 1214249807 in words is "one billion, two hundred fourteen million, two hundred forty-nine thousand, eight hundred seven".