1100421340 has 24 divisors (see below), whose sum is σ = 2360054592. Its totient is φ = 430802880.

The previous prime is 1100421319. The next prime is 1100421349. The reversal of 1100421340 is 431240011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100421349) 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, 584391 + ... + 586270.

It is an arithmetic number, because the mean of its divisors is an integer number (98335608).

Almost surely, 2^1100421340 is an apocalyptic number.

1100421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100421340 is an abundant number, since it is smaller than the sum of its proper divisors (1259633252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100421340 is a wasteful number, since it uses less digits than its factorization.

1100421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170717 (or 1170715 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1100421340 is about 33172.5992349107. The cubic root of 1100421340 is about 1032.4118989057.

Adding to 1100421340 its reverse (431240011), we get a palindrome (1531661351).

The spelling of 1100421340 in words is "one billion, one hundred million, four hundred twenty-one thousand, three hundred forty".