1214494090 has 8 divisors (see below), whose sum is σ = 2186089380. Its totient is φ = 485797632.

The previous prime is 1214494069. The next prime is 1214494091. The reversal of 1214494090 is 904944121.

It can be written as a sum of positive squares in 2 ways, for example, as 1117096929 + 97397161 = 33423^2 + 9869^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1214494091) 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, 60724695 + ... + 60724714.

Almost surely, 2^1214494090 is an apocalyptic number.

1214494090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214494090 is a deficient number, since it is larger than the sum of its proper divisors (971595290).

1214494090 is a wasteful number, since it uses less digits than its factorization.

1214494090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121449416.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1214494090 is about 34849.5923935991. The cubic root of 1214494090 is about 1066.9198664328.

The spelling of 1214494090 in words is "one billion, two hundred fourteen million, four hundred ninety-four thousand, ninety".