1023221254 has 24 divisors (see below), whose sum is σ = 1690298064. Its totient is φ = 464204400.

The previous prime is 1023221209. The next prime is 1023221267. The reversal of 1023221254 is 4521223201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 11 ways as a sum of consecutive naturals, for example, 130999 + ... + 138589.

It is an arithmetic number, because the mean of its divisors is an integer number (70429086).

Almost surely, 2^1023221254 is an apocalyptic number.

1023221254 is a deficient number, since it is larger than the sum of its proper divisors (667076810).

1023221254 is a wasteful number, since it uses less digits than its factorization.

1023221254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172 (or 8161 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1023221254 is about 31987.8297794646. The cubic root of 1023221254 is about 1007.6812650969.

Adding to 1023221254 its reverse (4521223201), we get a palindrome (5544444455).

The spelling of 1023221254 in words is "one billion, twenty-three million, two hundred twenty-one thousand, two hundred fifty-four".