1172372242 has 4 divisors (see below), whose sum is σ = 1758558366. Its totient is φ = 586186120.

The previous prime is 1172372233. The next prime is 1172372263. The reversal of 1172372242 is 2422732711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2422732711 = 7 ⋅346104673.

It can be written as a sum of positive squares in only one way, i.e., 621953721 + 550418521 = 24939^2 + 23461^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293093059 + ... + 293093062.

Almost surely, 2^1172372242 is an apocalyptic number.

1172372242 is a deficient number, since it is larger than the sum of its proper divisors (586186124).

1172372242 is an equidigital number, since it uses as much as digits as its factorization.

1172372242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586186123.

The product of its digits is 9408, while the sum is 31.

The square root of 1172372242 is about 34239.9217580882. The cubic root of 1172372242 is about 1054.4399270376.

The spelling of 1172372242 in words is "one billion, one hundred seventy-two million, three hundred seventy-two thousand, two hundred forty-two".