1242369442 has 16 divisors (see below), whose sum is σ = 1875579552. Its totient is φ = 617189760.

The previous prime is 1242369391. The next prime is 1242369451. The reversal of 1242369442 is 2449632421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200178 + ... + 206290.

It is an arithmetic number, because the mean of its divisors is an integer number (117223722).

Almost surely, 2^1242369442 is an apocalyptic number.

1242369442 is a deficient number, since it is larger than the sum of its proper divisors (633210110).

1242369442 is a wasteful number, since it uses less digits than its factorization.

1242369442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753.

The product of its digits is 82944, while the sum is 37.

The square root of 1242369442 is about 35247.2614822769. The cubic root of 1242369442 is about 1075.0209311230.

The spelling of 1242369442 in words is "one billion, two hundred forty-two million, three hundred sixty-nine thousand, four hundred forty-two".