1100140421 has 8 divisors (see below), whose sum is σ = 1132400640. Its totient is φ = 1068249168.

The previous prime is 1100140417. The next prime is 1100140427. The reversal of 1100140421 is 1240410011.

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 1100140421 - 2² = 1100140417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1100140396 and 1100140405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100140427) 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, 86186 + ... + 98123.

It is an arithmetic number, because the mean of its divisors is an integer number (141550080).

Almost surely, 2^1100140421 is an apocalyptic number.

It is an amenable number.

1100140421 is a deficient number, since it is larger than the sum of its proper divisors (32260219).

1100140421 is a wasteful number, since it uses less digits than its factorization.

1100140421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184483.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1100140421 is about 33168.3647622249. The cubic root of 1100140421 is about 1032.3240389832.

Adding to 1100140421 its reverse (1240410011), we get a palindrome (2340550432).

The spelling of 1100140421 in words is "one billion, one hundred million, one hundred forty thousand, four hundred twenty-one".