1401100043 has 8 divisors (see below), whose sum is σ = 1601496288. Its totient is φ = 1200763584.

The previous prime is 1401100037. The next prime is 1401100049. The reversal of 1401100043 is 3400011041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1401100037) and next prime (1401100049).

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 1401100043 - 2⁸ = 1401099787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401100049) 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, 61055 + ... + 80807.

It is an arithmetic number, because the mean of its divisors is an integer number (200187036).

Almost surely, 2^1401100043 is an apocalyptic number.

1401100043 is a deficient number, since it is larger than the sum of its proper divisors (200396245).

1401100043 is a wasteful number, since it uses less digits than its factorization.

1401100043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29893.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1401100043 is about 37431.2709241885. The cubic root of 1401100043 is about 1118.9818667877.

Adding to 1401100043 its reverse (3400011041), we get a palindrome (4801111084).

The spelling of 1401100043 in words is "one billion, four hundred one million, one hundred thousand, forty-three".