1195089242 has 4 divisors (see below), whose sum is σ = 1792633866. Its totient is φ = 597544620.

The previous prime is 1195089229. The next prime is 1195089281. The reversal of 1195089242 is 2429805911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2429805911 = 13 ⋅186908147.

It can be written as a sum of positive squares in only one way, i.e., 860894281 + 334194961 = 29341^2 + 18281^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1195089242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298772309 + ... + 298772312.

Almost surely, 2^1195089242 is an apocalyptic number.

1195089242 is a deficient number, since it is larger than the sum of its proper divisors (597544624).

1195089242 is an equidigital number, since it uses as much as digits as its factorization.

1195089242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597544623.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1195089242 is about 34570.0628000587. The cubic root of 1195089242 is about 1061.2070153506.

The spelling of 1195089242 in words is "one billion, one hundred ninety-five million, eighty-nine thousand, two hundred forty-two".