1121201232129 has 48 divisors (see below), whose sum is σ = 1777802517504. Its totient is φ = 675268876800.

The previous prime is 1121201232119. The next prime is 1121201232149. The reversal of 1121201232129 is 9212321021211.

1121201232129 is a `hidden beast` number, since 112 + 1 + 201 + 2 + 321 + 29 = 666.

It is not a de Polignac number, because 1121201232129 - 2⁷ = 1121201232001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121201232119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18822537 + ... + 18882009.

It is an arithmetic number, because the mean of its divisors is an integer number (37037552448).

Almost surely, 2^{1121201232129} is an apocalyptic number.

It is an amenable number.

1121201232129 is a deficient number, since it is larger than the sum of its proper divisors (656601285375).

1121201232129 is a wasteful number, since it uses less digits than its factorization.

1121201232129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60678 (or 60675 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 1121201232129 in words is "one trillion, one hundred twenty-one billion, two hundred one million, two hundred thirty-two thousand, one hundred twenty-nine".