1101020430 has 32 divisors (see below), whose sum is σ = 2679671808. Its totient is φ = 289469600.

The previous prime is 1101020423. The next prime is 1101020509. The reversal of 1101020430 is 340201011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256326 + ... + 260585.

It is an arithmetic number, because the mean of its divisors is an integer number (83739744).

Almost surely, 2^1101020430 is an apocalyptic number.

1101020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101020430 is an abundant number, since it is smaller than the sum of its proper divisors (1578651378).

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

1101020430 is a wasteful number, since it uses less digits than its factorization.

1101020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516992.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1101020430 is about 33181.6278985827. The cubic root of 1101020430 is about 1032.5992197114.

Adding to 1101020430 its reverse (340201011), we get a palindrome (1441221441).

The spelling of 1101020430 in words is "one billion, one hundred one million, twenty thousand, four hundred thirty".