1400104871 has 4 divisors (see below), whose sum is σ = 1527387144. Its totient is φ = 1272822600.

The previous prime is 1400104847. The next prime is 1400104931. The reversal of 1400104871 is 1784010041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400104871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400104871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400104271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63641120 + ... + 63641141.

It is an arithmetic number, because the mean of its divisors is an integer number (381846786).

Almost surely, 2^1400104871 is an apocalyptic number.

1400104871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1400104871 is a deficient number, since it is larger than the sum of its proper divisors (127282273).

1400104871 is a wasteful number, since it uses less digits than its factorization.

1400104871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127282272.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1400104871 is about 37417.9752391815. The cubic root of 1400104871 is about 1118.7168742478.

The spelling of 1400104871 in words is "one billion, four hundred million, one hundred four thousand, eight hundred seventy-one".