1123001197 has 4 divisors (see below), whose sum is σ = 1171827360. Its totient is φ = 1074175036.

The previous prime is 1123001189. The next prime is 1123001219. The reversal of 1123001197 is 7911003211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1123001197 - 2³ = 1123001189 is a prime.

It is a super-2 number, since 2×1123001197² = 2522263376926865618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123001177) 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, 24413047 + ... + 24413092.

It is an arithmetic number, because the mean of its divisors is an integer number (292956840).

Almost surely, 2^1123001197 is an apocalyptic number.

It is an amenable number.

1123001197 is a deficient number, since it is larger than the sum of its proper divisors (48826163).

1123001197 is an equidigital number, since it uses as much as digits as its factorization.

1123001197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48826162.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1123001197 is about 33511.2100199321. The cubic root of 1123001197 is about 1039.4255941106.

The spelling of 1123001197 in words is "one billion, one hundred twenty-three million, one thousand, one hundred ninety-seven".