1011021230 has 32 divisors (see below), whose sum is σ = 1861263360. Its totient is φ = 395228320.

The previous prime is 1011021199. The next prime is 1011021233. The reversal of 1011021230 is 321201101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011021233) by changing a digit.

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, 477875 + ... + 479985.

It is an arithmetic number, because the mean of its divisors is an integer number (58164480).

Almost surely, 2^1011021230 is an apocalyptic number.

1011021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011021230 is a deficient number, since it is larger than the sum of its proper divisors (850242130).

1011021230 is a wasteful number, since it uses less digits than its factorization.

1011021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1011021230 is about 31796.5600340666. The cubic root of 1011021230 is about 1003.6603289781.

Adding to 1011021230 its reverse (321201101), we get a palindrome (1332222331).

The spelling of 1011021230 in words is "one billion, eleven million, twenty-one thousand, two hundred thirty".