1097170042 has 8 divisors (see below), whose sum is σ = 1698844032. Its totient is φ = 530888700.

The previous prime is 1097170037. The next prime is 1097170049. The reversal of 1097170042 is 2400717901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1097169986 and 1097170013.

It is not an unprimeable number, because it can be changed into a prime (1097170049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8848084 + ... + 8848207.

It is an arithmetic number, because the mean of its divisors is an integer number (212355504).

Almost surely, 2^1097170042 is an apocalyptic number.

1097170042 is a deficient number, since it is larger than the sum of its proper divisors (601673990).

1097170042 is a wasteful number, since it uses less digits than its factorization.

1097170042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696324.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1097170042 is about 33123.5572063147. The cubic root of 1097170042 is about 1031.3941099519.

Adding to 1097170042 its reverse (2400717901), we get a palindrome (3497887943).

The spelling of 1097170042 in words is "one billion, ninety-seven million, one hundred seventy thousand, forty-two".