1242896274 has 12 divisors (see below), whose sum is σ = 2692941966. Its totient is φ = 414298752.

The previous prime is 1242896273. The next prime is 1242896279. The reversal of 1242896274 is 4726982421.

1242896274 is a `hidden beast` number, since 12 + 4 + 2 + 8 + 9 + 627 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1207076049 + 35820225 = 34743^2 + 5985^2 .

It is a super-2 number, since 2×1242896274² = 3089582295846166152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242896273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34524879 + ... + 34524914.

Almost surely, 2^1242896274 is an apocalyptic number.

1242896274 is an abundant number, since it is smaller than the sum of its proper divisors (1450045692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242896274 is a wasteful number, since it uses less digits than its factorization.

1242896274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69049801 (or 69049798 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1242896274 is about 35254.7340650869. The cubic root of 1242896274 is about 1075.1728653684.

The spelling of 1242896274 in words is "one billion, two hundred forty-two million, eight hundred ninety-six thousand, two hundred seventy-four".