1100420432 has 20 divisors (see below), whose sum is σ = 2139940416. Its totient is φ = 548177760.

The previous prime is 1100420429. The next prime is 1100420437. The reversal of 1100420432 is 2340240011.

It is a self number, because there is not a number n which added to its sum of digits gives 1100420432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100420437) 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, 122558 + ... + 131229.

Almost surely, 2^1100420432 is an apocalyptic number.

It is an amenable number.

1100420432 is a deficient number, since it is larger than the sum of its proper divisors (1039519984).

1100420432 is a wasteful number, since it uses less digits than its factorization.

1100420432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254066 (or 254060 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1100420432 is about 33172.5855489137. The cubic root of 1100420432 is about 1032.4116149447.

Adding to 1100420432 its reverse (2340240011), we get a palindrome (3440660443).

The spelling of 1100420432 in words is "one billion, one hundred million, four hundred twenty thousand, four hundred thirty-two".