1400123445061 has 12 divisors (see below), whose sum is σ = 1541489313196. Its totient is φ = 1270763017920.

The previous prime is 1400123445059. The next prime is 1400123445109. The reversal of 1400123445061 is 1605443210041.

It can be written as a sum of positive squares in 2 ways, for example, as 423918188100 + 976205256961 = 651090^2 + 988031^2 .

It is not a de Polignac number, because 1400123445061 - 2¹ = 1400123445059 is a prime.

It is a super-2 number, since 2×1400123445061² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400123442061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9364056 + ... + 9512401.

Almost surely, 2^{1400123445061} is an apocalyptic number.

1400123445061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1400123445061 is a deficient number, since it is larger than the sum of its proper divisors (141365868135).

1400123445061 is a wasteful number, since it uses less digits than its factorization.

1400123445061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18877092 (or 18877081 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 1400123445061 in words is "one trillion, four hundred billion, one hundred twenty-three million, four hundred forty-five thousand, sixty-one".