1021450254 has 32 divisors (see below), whose sum is σ = 2241095040. Its totient is φ = 307797600.

The previous prime is 1021450229. The next prime is 1021450289. The reversal of 1021450254 is 4520541201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31417 + ... + 55044.

It is an arithmetic number, because the mean of its divisors is an integer number (70034220).

Almost surely, 2^1021450254 is an apocalyptic number.

1021450254 is an abundant number, since it is smaller than the sum of its proper divisors (1219644786).

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

1021450254 is a wasteful number, since it uses less digits than its factorization.

1021450254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86656.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1021450254 is about 31960.1353876982. The cubic root of 1021450254 is about 1007.0995616100.

Adding to 1021450254 its reverse (4520541201), we get a palindrome (5541991455).

The spelling of 1021450254 in words is "one billion, twenty-one million, four hundred fifty thousand, two hundred fifty-four".