1292274242 has 16 divisors (see below), whose sum is σ = 2216215680. Its totient is φ = 553609728.

The previous prime is 1292274241. The next prime is 1292274271. The reversal of 1292274242 is 2424722921.

It is not an unprimeable number, because it can be changed into a prime (1292274241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20483 + ... + 54809.

It is an arithmetic number, because the mean of its divisors is an integer number (138513480).

Almost surely, 2^1292274242 is an apocalyptic number.

1292274242 is a deficient number, since it is larger than the sum of its proper divisors (923941438).

1292274242 is a wasteful number, since it uses less digits than its factorization.

1292274242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37025.

The product of its digits is 32256, while the sum is 35.

The square root of 1292274242 is about 35948.2161170760. The cubic root of 1292274242 is about 1089.2265764388.

The spelling of 1292274242 in words is "one billion, two hundred ninety-two million, two hundred seventy-four thousand, two hundred forty-two".