1123120001 has 8 divisors (see below), whose sum is σ = 1184827680. Its totient is φ = 1061671968.

The previous prime is 1123119997. The next prime is 1123120003. The reversal of 1123120001 is 1000213211.

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

It is not a de Polignac number, because 1123120001 - 2² = 1123119997 is a prime.

It is a super-2 number, since 2×1123120001² = 2522797073292480002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123120003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55991 + ... + 73356.

It is an arithmetic number, because the mean of its divisors is an integer number (148103460).

Almost surely, 2^1123120001 is an apocalyptic number.

It is an amenable number.

1123120001 is a deficient number, since it is larger than the sum of its proper divisors (61707679).

1123120001 is a wasteful number, since it uses less digits than its factorization.

1123120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129823.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1123120001 is about 33512.9825739220. The cubic root of 1123120001 is about 1039.4622469548.

Adding to 1123120001 its reverse (1000213211), we get a palindrome (2123333212).

The spelling of 1123120001 in words is "one billion, one hundred twenty-three million, one hundred twenty thousand, one".