1123134251201 has 16 divisors (see below), whose sum is σ = 1142982441216. Its totient is φ = 1103490000000.

The previous prime is 1123134251179. The next prime is 1123134251221. The reversal of 1123134251201 is 1021524313211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123134251201 is a prime.

It is a super-2 number, since 2×1123134251201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1123134251221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6788381 + ... + 6951861.

It is an arithmetic number, because the mean of its divisors is an integer number (71436402576).

Almost surely, 2^{1123134251201} is an apocalyptic number.

It is an amenable number.

1123134251201 is a deficient number, since it is larger than the sum of its proper divisors (19848190015).

1123134251201 is a wasteful number, since it uses less digits than its factorization.

1123134251201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164104.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1123134251201 its reverse (1021524313211), we get a palindrome (2144658564412).

The spelling of 1123134251201 in words is "one trillion, one hundred twenty-three billion, one hundred thirty-four million, two hundred fifty-one thousand, two hundred one".