1002245125401 has 36 divisors (see below), whose sum is σ = 1569045783708. Its totient is φ = 616202975232.

The previous prime is 1002245125333. The next prime is 1002245125471. The reversal of 1002245125401 is 1045215422001.

It is a happy number.

1002245125401 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 245 + 12 + 5 + 401 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 358561440000 + 643683685401 = 598800^2 + 802299^2 .

It is not a de Polignac number, because 1002245125401 - 2¹¹ = 1002245123353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002245125471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1368201 + ... + 1968873.

It is an arithmetic number, because the mean of its divisors is an integer number (43584605103).

Almost surely, 2^{1002245125401} is an apocalyptic number.

It is an amenable number.

1002245125401 is a deficient number, since it is larger than the sum of its proper divisors (566800658307).

1002245125401 is a wasteful number, since it uses less digits than its factorization.

1002245125401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601802 (or 601786 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 1002245125401 in words is "one trillion, two billion, two hundred forty-five million, one hundred twenty-five thousand, four hundred one".