1223155054001 has 4 divisors (see below), whose sum is σ = 1223193833472. Its totient is φ = 1223116274532.

The previous prime is 1223155053943. The next prime is 1223155054003. The reversal of 1223155054001 is 1004505513221.

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 1223155054001 - 2³⁸ = 948277147057 is a prime.

It is a super-2 number, since 2×1223155054001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223155054003) 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, 19342385 + ... + 19405518.

It is an arithmetic number, because the mean of its divisors is an integer number (305798458368).

Almost surely, 2^{1223155054001} is an apocalyptic number.

It is an amenable number.

1223155054001 is a deficient number, since it is larger than the sum of its proper divisors (38779471).

1223155054001 is an equidigital number, since it uses as much as digits as its factorization.

1223155054001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38779470.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 1223155054001 in words is "one trillion, two hundred twenty-three billion, one hundred fifty-five million, fifty-four thousand, one".