1010121432 has 32 divisors (see below), whose sum is σ = 2540806080. Its totient is φ = 334640160.

The previous prime is 1010121403. The next prime is 1010121433. The reversal of 1010121432 is 2341210101.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010121433) 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, 125194 + ... + 133017.

It is an arithmetic number, because the mean of its divisors is an integer number (79400190).

Almost surely, 2^1010121432 is an apocalyptic number.

1010121432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010121432 is an abundant number, since it is smaller than the sum of its proper divisors (1530684648).

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

1010121432 is a wasteful number, since it uses less digits than its factorization.

1010121432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258383 (or 258379 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1010121432 is about 31782.4075865879. The cubic root of 1010121432 is about 1003.3624916441.

Adding to 1010121432 its reverse (2341210101), we get a palindrome (3351331533).

The spelling of 1010121432 in words is "one billion, ten million, one hundred twenty-one thousand, four hundred thirty-two".