1400121325 has 6 divisors (see below), whose sum is σ = 1736150474. Its totient is φ = 1120097040.

The previous prime is 1400121269. The next prime is 1400121367. The reversal of 1400121325 is 5231210041.

It can be written as a sum of positive squares in 3 ways, for example, as 39765636 + 1360355689 = 6306^2 + 36883^2 .

It is not a de Polignac number, because 1400121325 - 2¹¹ = 1400119277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28002402 + ... + 28002451.

Almost surely, 2^1400121325 is an apocalyptic number.

It is an amenable number.

1400121325 is a deficient number, since it is larger than the sum of its proper divisors (336029149).

1400121325 is an equidigital number, since it uses as much as digits as its factorization.

1400121325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56004863 (or 56004858 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1400121325 is about 37418.1951061245. The cubic root of 1400121325 is about 1118.7212566089.

Adding to 1400121325 its reverse (5231210041), we get a palindrome (6631331366).

The spelling of 1400121325 in words is "one billion, four hundred million, one hundred twenty-one thousand, three hundred twenty-five".