401277071 has 8 divisors (see below), whose sum is σ = 436184784. Its totient is φ = 366946560.

The previous prime is 401277053. The next prime is 401277077. The reversal of 401277071 is 170772104.

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

It is a cyclic number.

It is not a de Polignac number, because 401277071 - 2¹⁰ = 401276047 is a prime.

It is a super-2 number, since 2×401277071² = 322046575420678082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401277077) 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, 142850 + ... + 145631.

It is an arithmetic number, because the mean of its divisors is an integer number (54523098).

Almost surely, 2^401277071 is an apocalyptic number.

401277071 is a deficient number, since it is larger than the sum of its proper divisors (34907713).

401277071 is a wasteful number, since it uses less digits than its factorization.

401277071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288601.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 401277071 is about 20031.9013326244. The cubic root of 401277071 is about 737.5895950138.

The spelling of 401277071 in words is "four hundred one million, two hundred seventy-seven thousand, seventy-one".