1402020123201 has 24 divisors (see below), whose sum is σ = 2196565253064. Its totient is φ = 858242826240.

The previous prime is 1402020123173. The next prime is 1402020123211. The reversal of 1402020123201 is 1023210202041.

It is a happy number.

1402020123201 is a `hidden beast` number, since 140 + 2 + 0 + 201 + 2 + 320 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5144332176 + 1396875791025 = 71724^2 + 1181895^2 .

It is not a de Polignac number, because 1402020123201 - 2⁶ = 1402020123137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402020123211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111744096 + ... + 111756641.

It is an arithmetic number, because the mean of its divisors is an integer number (91523552211).

Almost surely, 2^{1402020123201} is an apocalyptic number.

It is an amenable number.

1402020123201 is a deficient number, since it is larger than the sum of its proper divisors (794545129863).

1402020123201 is a wasteful number, since it uses less digits than its factorization.

1402020123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223500801 (or 223500798 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1402020123201 its reverse (1023210202041), we get a palindrome (2425230325242).

The spelling of 1402020123201 in words is "one trillion, four hundred two billion, twenty million, one hundred twenty-three thousand, two hundred one".