1030121144 has 64 divisors (see below), whose sum is σ = 2177007840. Its totient is φ = 453772800.

The previous prime is 1030121111. The next prime is 1030121159. The reversal of 1030121144 is 4411210301.

It is a happy number.

It is a super-2 number, since 2×1030121144² = 2122299142631737472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201419 + ... + 206469.

Almost surely, 2^1030121144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030121144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088503920).

1030121144 is an abundant number, since it is smaller than the sum of its proper divisors (1146886696).

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

1030121144 is a wasteful number, since it uses less digits than its factorization.

1030121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160 (or 5156 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1030121144 is about 32095.5003699896. The cubic root of 1030121144 is about 1009.9412258711.

Adding to 1030121144 its reverse (4411210301), we get a palindrome (5441331445).

The spelling of 1030121144 in words is "one billion, thirty million, one hundred twenty-one thousand, one hundred forty-four".