1214969242 has 4 divisors (see below), whose sum is σ = 1822453866. Its totient is φ = 607484620.

The previous prime is 1214969221. The next prime is 1214969291. The reversal of 1214969242 is 2429694121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1083660561 + 131308681 = 32919^2 + 11459^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1214969195 and 1214969204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303742309 + ... + 303742312.

Almost surely, 2^1214969242 is an apocalyptic number.

1214969242 is a deficient number, since it is larger than the sum of its proper divisors (607484624).

1214969242 is an equidigital number, since it uses as much as digits as its factorization.

1214969242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607484623.

The product of its digits is 62208, while the sum is 40.

The square root of 1214969242 is about 34856.4089085494. The cubic root of 1214969242 is about 1067.0589869151.

The spelling of 1214969242 in words is "one billion, two hundred fourteen million, nine hundred sixty-nine thousand, two hundred forty-two".