1214521492 has 6 divisors (see below), whose sum is σ = 2125412618. Its totient is φ = 607260744.

The previous prime is 1214521471. The next prime is 1214521493. The reversal of 1214521492 is 2941254121.

It can be written as a sum of positive squares in only one way, i.e., 1060414096 + 154107396 = 32564^2 + 12414^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214521493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151815183 + ... + 151815190.

Almost surely, 2^1214521492 is an apocalyptic number.

It is an amenable number.

1214521492 is a deficient number, since it is larger than the sum of its proper divisors (910891126).

1214521492 is a wasteful number, since it uses less digits than its factorization.

1214521492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303630377 (or 303630375 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 1214521492 is about 34849.9855380171. The cubic root of 1214521492 is about 1066.9278904922.

The spelling of 1214521492 in words is "one billion, two hundred fourteen million, five hundred twenty-one thousand, four hundred ninety-two".