1401655101 has 32 divisors (see below), whose sum is σ = 2335454208. Its totient is φ = 726435840.

The previous prime is 1401655063. The next prime is 1401655109. The reversal of 1401655101 is 1015561041.

It is not a de Polignac number, because 1401655101 - 2¹⁴ = 1401638717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401655109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95485 + ... + 109181.

It is an arithmetic number, because the mean of its divisors is an integer number (72982944).

Almost surely, 2^1401655101 is an apocalyptic number.

1401655101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1401655101 is a deficient number, since it is larger than the sum of its proper divisors (933799107).

1401655101 is a wasteful number, since it uses less digits than its factorization.

1401655101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14161.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1401655101 is about 37438.6845522115. The cubic root of 1401655101 is about 1119.1296120873.

The spelling of 1401655101 in words is "one billion, four hundred one million, six hundred fifty-five thousand, one hundred one".