1401129995 has 16 divisors (see below), whose sum is σ = 1721839680. Its totient is φ = 1094131584.

The previous prime is 1401129991. The next prime is 1401129997. The reversal of 1401129995 is 5999211041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1401129995 - 2² = 1401129991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401129991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38786 + ... + 65624.

It is an arithmetic number, because the mean of its divisors is an integer number (107614980).

Almost surely, 2^1401129995 is an apocalyptic number.

1401129995 is a deficient number, since it is larger than the sum of its proper divisors (320709685).

1401129995 is a wasteful number, since it uses less digits than its factorization.

1401129995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27094.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 1401129995 is about 37431.6710153314. The cubic root of 1401129995 is about 1118.9898404048.

The spelling of 1401129995 in words is "one billion, four hundred one million, one hundred twenty-nine thousand, nine hundred ninety-five".