401252130 has 80 divisors (see below), whose sum is σ = 1082030400. Its totient is φ = 106692768.

The previous prime is 401252119. The next prime is 401252141. The reversal of 401252130 is 31252104.

401252130 is a `hidden beast` number, since 401 + 252 + 13 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (401252119) and next prime (401252141).

It is a super-2 number, since 2×401252130² = 322006543659073800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 484777 + ... + 485603.

It is an arithmetic number, because the mean of its divisors is an integer number (13525380).

Almost surely, 2^401252130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401252130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541015200).

401252130 is an abundant number, since it is smaller than the sum of its proper divisors (680778270).

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

401252130 is a wasteful number, since it uses less digits than its factorization.

401252130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 401252130 is about 20031.2787909309. The cubic root of 401252130 is about 737.5743133007.

The spelling of 401252130 in words is "four hundred one million, two hundred fifty-two thousand, one hundred thirty".