1401100078 has 32 divisors (see below), whose sum is σ = 2440949760. Its totient is φ = 590781600.

The previous prime is 1401100073. The next prime is 1401100111. The reversal of 1401100078 is 8700011041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401100073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227443 + ... + 233521.

It is an arithmetic number, because the mean of its divisors is an integer number (76279680).

Almost surely, 2^1401100078 is an apocalyptic number.

1401100078 is a deficient number, since it is larger than the sum of its proper divisors (1039849682).

1401100078 is a wasteful number, since it uses less digits than its factorization.

1401100078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 1401100078 is about 37431.2713917120. The cubic root of 1401100078 is about 1118.9818761052.

The spelling of 1401100078 in words is "one billion, four hundred one million, one hundred thousand, seventy-eight".