401261228601 has 8 divisors (see below), whose sum is σ = 536250573600. Its totient is φ = 266889684672.

The previous prime is 401261228573. The next prime is 401261228647. The reversal of 401261228601 is 106822162104.

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 401261228601 - 2¹⁴ = 401261212217 is a prime.

It is a super-2 number, since 2×401261228601² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401261229601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154448751 + ... + 154451348.

It is an arithmetic number, because the mean of its divisors is an integer number (67031321700).

Almost surely, 2^401261228601 is an apocalyptic number.

It is an amenable number.

401261228601 is a deficient number, since it is larger than the sum of its proper divisors (134989344999).

401261228601 is a wasteful number, since it uses less digits than its factorization.

401261228601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308900535.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 401261228601 in words is "four hundred one billion, two hundred sixty-one million, two hundred twenty-eight thousand, six hundred one".