1213884454 has 8 divisors (see below), whose sum is σ = 1843875360. Its totient is φ = 599259336.

The previous prime is 1213884449. The next prime is 1213884457. The reversal of 1213884454 is 4544883121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213884457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3841249 + ... + 3841564.

It is an arithmetic number, because the mean of its divisors is an integer number (230484420).

Almost surely, 2^1213884454 is an apocalyptic number.

1213884454 is a deficient number, since it is larger than the sum of its proper divisors (629990906).

1213884454 is an equidigital number, since it uses as much as digits as its factorization.

1213884454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682894.

The product of its digits is 122880, while the sum is 40.

The square root of 1213884454 is about 34840.8446223682. The cubic root of 1213884454 is about 1066.7413170194.

The spelling of 1213884454 in words is "one billion, two hundred thirteen million, eight hundred eighty-four thousand, four hundred fifty-four".