1214490231 has 6 divisors (see below), whose sum is σ = 1754263680. Its totient is φ = 809660148.

The previous prime is 1214490191. The next prime is 1214490239. The reversal of 1214490231 is 1320944121.

It is a happy number.

It is not a de Polignac number, because 1214490231 - 2⁷ = 1214490103 is a prime.

It is a super-2 number, since 2×1214490231² = 2949973042388866722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214490195 and 1214490204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214490239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67471671 + ... + 67471688.

It is an arithmetic number, because the mean of its divisors is an integer number (292377280).

Almost surely, 2^1214490231 is an apocalyptic number.

1214490231 is a deficient number, since it is larger than the sum of its proper divisors (539773449).

1214490231 is a wasteful number, since it uses less digits than its factorization.

1214490231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134943365 (or 134943362 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1214490231 is about 34849.5370270539. The cubic root of 1214490231 is about 1066.9187364017.

The spelling of 1214490231 in words is "one billion, two hundred fourteen million, four hundred ninety thousand, two hundred thirty-one".