1180097146 has 4 divisors (see below), whose sum is σ = 1770145722. Its totient is φ = 590048572.

The previous prime is 1180097123. The next prime is 1180097147. The reversal of 1180097146 is 6417900811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6417900811 = 7 ⋅916842973.

It can be written as a sum of positive squares in only one way, i.e., 868186225 + 311910921 = 29465^2 + 17661^2 .

It is not an unprimeable number, because it can be changed into a prime (1180097147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295024285 + ... + 295024288.

Almost surely, 2^1180097146 is an apocalyptic number.

1180097146 is a deficient number, since it is larger than the sum of its proper divisors (590048576).

1180097146 is an equidigital number, since it uses as much as digits as its factorization.

1180097146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590048575.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1180097146 is about 34352.5420602319. The cubic root of 1180097146 is about 1056.7508034168.

Adding to 1180097146 its reverse (6417900811), we get a palindrome (7597997957).

The spelling of 1180097146 in words is "one billion, one hundred eighty million, ninety-seven thousand, one hundred forty-six".