1401225312 has 48 divisors (see below), whose sum is σ = 3710795760. Its totient is φ = 462938112.

The previous prime is 1401225311. The next prime is 1401225313. The reversal of 1401225312 is 2135221041.

It is an interprime number because it is at equal distance from previous prime (1401225311) and next prime (1401225313).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401225311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53737 + ... + 75432.

It is an arithmetic number, because the mean of its divisors is an integer number (77308245).

Almost surely, 2^1401225312 is an apocalyptic number.

1401225312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401225312 is an abundant number, since it is smaller than the sum of its proper divisors (2309570448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401225312 is a wasteful number, since it uses less digits than its factorization.

1401225312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129295 (or 129287 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1401225312 is about 37432.9442069416. The cubic root of 1401225312 is about 1119.0152142903.

Adding to 1401225312 its reverse (2135221041), we get a palindrome (3536446353).

The spelling of 1401225312 in words is "one billion, four hundred one million, two hundred twenty-five thousand, three hundred twelve".