1242122954 has 16 divisors (see below), whose sum is σ = 1938988800. Its totient is φ = 596050224.

The previous prime is 1242122953. The next prime is 1242122957. The reversal of 1242122954 is 4592212421.

It is a super-2 number, since 2×1242122954² = 3085738865707372232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1242122954.

It is not an unprimeable number, because it can be changed into a prime (1242122951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54434 + ... + 73805.

It is an arithmetic number, because the mean of its divisors is an integer number (121186800).

Almost surely, 2^1242122954 is an apocalyptic number.

1242122954 is a deficient number, since it is larger than the sum of its proper divisors (696865846).

1242122954 is a wasteful number, since it uses less digits than its factorization.

1242122954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128437.

The product of its digits is 11520, while the sum is 32.

The square root of 1242122954 is about 35243.7647534993. The cubic root of 1242122954 is about 1074.9498311543.

The spelling of 1242122954 in words is "one billion, two hundred forty-two million, one hundred twenty-two thousand, nine hundred fifty-four".