1401233281 has 8 divisors (see below), whose sum is σ = 1656630720. Its totient is φ = 1159641168.

The previous prime is 1401233269. The next prime is 1401233371. The reversal of 1401233281 is 1823321041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1401233281 - 2⁷ = 1401233153 is a prime.

It is a super-2 number, since 2×1401233281² = 3926909415564049922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401233081) 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, 3451111 + ... + 3451516.

It is an arithmetic number, because the mean of its divisors is an integer number (207078840).

Almost surely, 2^1401233281 is an apocalyptic number.

It is an amenable number.

1401233281 is a deficient number, since it is larger than the sum of its proper divisors (255397439).

1401233281 is an equidigital number, since it uses as much as digits as its factorization.

1401233281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902663.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1401233281 is about 37433.0506504613. The cubic root of 1401233281 is about 1119.0173356278.

The spelling of 1401233281 in words is "one billion, four hundred one million, two hundred thirty-three thousand, two hundred eighty-one".