1209449114 has 4 divisors (see below), whose sum is σ = 1814173674. Its totient is φ = 604724556.

The previous prime is 1209449099. The next prime is 1209449179. The reversal of 1209449114 is 4119449021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4119449021 = 45869 ⋅89809.

It can be written as a sum of positive squares in only one way, i.e., 1127817889 + 81631225 = 33583^2 + 9035^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302362277 + ... + 302362280.

Almost surely, 2^1209449114 is an apocalyptic number.

1209449114 is a deficient number, since it is larger than the sum of its proper divisors (604724560).

1209449114 is an equidigital number, since it uses as much as digits as its factorization.

1209449114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604724559.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1209449114 is about 34777.1349308709. The cubic root of 1209449114 is about 1065.4404972452.

The spelling of 1209449114 in words is "one billion, two hundred nine million, four hundred forty-nine thousand, one hundred fourteen".