1401123025 has 6 divisors (see below), whose sum is σ = 1737392582. Its totient is φ = 1120898400.

The previous prime is 1401123019. The next prime is 1401123029. The reversal of 1401123025 is 5203211041.

It can be written as a sum of positive squares in 3 ways, for example, as 43264 + 1401079761 = 208^2 + 37431^2 .

It is not a de Polignac number, because 1401123025 - 2¹³ = 1401114833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401122993 and 1401123011.

It is not an unprimeable number, because it can be changed into a prime (1401123029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28022436 + ... + 28022485.

Almost surely, 2^1401123025 is an apocalyptic number.

It is an amenable number.

1401123025 is a deficient number, since it is larger than the sum of its proper divisors (336269557).

1401123025 is an equidigital number, since it uses as much as digits as its factorization.

1401123025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56044931 (or 56044926 counting only the distinct ones).

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

The square root of 1401123025 is about 37431.5779122388. The cubic root of 1401123025 is about 1118.9879849091.

Adding to 1401123025 its reverse (5203211041), we get a palindrome (6604334066).

The spelling of 1401123025 in words is "one billion, four hundred one million, one hundred twenty-three thousand, twenty-five".