401261299 has 4 divisors (see below), whose sum is σ = 402742240. Its totient is φ = 399780360.

The previous prime is 401261293. The next prime is 401261327. The reversal of 401261299 is 992162104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401261299 - 2⁹ = 401260787 is a prime.

It is a super-2 number, since 2×401261299² = 322021260150334802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401261293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740064 + ... + 740605.

It is an arithmetic number, because the mean of its divisors is an integer number (100685560).

Almost surely, 2^401261299 is an apocalyptic number.

401261299 is a deficient number, since it is larger than the sum of its proper divisors (1480941).

401261299 is a wasteful number, since it uses less digits than its factorization.

401261299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480940.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 401261299 is about 20031.5076566892. The cubic root of 401261299 is about 737.5799313538.

The spelling of 401261299 in words is "four hundred one million, two hundred sixty-one thousand, two hundred ninety-nine".