1235001145401 has 20 divisors (see below), whose sum is σ = 1845095997492. Its totient is φ = 823236922368.

The previous prime is 1235001145393. The next prime is 1235001145403. The reversal of 1235001145401 is 1045411005321.

1235001145401 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 0 + 0 + 114 + 540 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1125188441001 + 109812704400 = 1060749^2 + 331380^2 .

It is not a de Polignac number, because 1235001145401 - 2³ = 1235001145393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1235001145403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 205956 + ... + 1585061.

Almost surely, 2^{1235001145401} is an apocalyptic number.

It is an amenable number.

1235001145401 is a deficient number, since it is larger than the sum of its proper divisors (610094852091).

1235001145401 is an equidigital number, since it uses as much as digits as its factorization.

1235001145401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799542 (or 1799533 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 1235001145401 in words is "one trillion, two hundred thirty-five billion, one million, one hundred forty-five thousand, four hundred one".