1030121231 has 8 divisors (see below), whose sum is σ = 1062257664. Its totient is φ = 998410680.

The previous prime is 1030121167. The next prime is 1030121237. The reversal of 1030121231 is 1321210301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1030121231 - 2⁶ = 1030121167 is a prime.

It is a super-2 number, since 2×1030121231² = 2122299501113910722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030121237) 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, 101555 + ... + 111236.

It is an arithmetic number, because the mean of its divisors is an integer number (132782208).

Almost surely, 2^1030121231 is an apocalyptic number.

1030121231 is a deficient number, since it is larger than the sum of its proper divisors (32136433).

1030121231 is a wasteful number, since it uses less digits than its factorization.

1030121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212941.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1030121231 is about 32095.5017253197. The cubic root of 1030121231 is about 1009.9412543030.

Adding to 1030121231 its reverse (1321210301), we get a palindrome (2351331532).

The spelling of 1030121231 in words is "one billion, thirty million, one hundred twenty-one thousand, two hundred thirty-one".