1020430254 has 16 divisors (see below), whose sum is σ = 2084283648. Its totient is φ = 332906232.

The previous prime is 1020430237. The next prime is 1020430309. The reversal of 1020430254 is 4520340201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020430254.

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 7 ways as a sum of consecutive naturals, for example, 1808992 + ... + 1809555.

It is an arithmetic number, because the mean of its divisors is an integer number (130267728).

Almost surely, 2^1020430254 is an apocalyptic number.

1020430254 is an abundant number, since it is smaller than the sum of its proper divisors (1063853394).

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

1020430254 is a wasteful number, since it uses less digits than its factorization.

1020430254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618599.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1020430254 is about 31944.1740228167. The cubic root of 1020430254 is about 1006.7642267381.

Adding to 1020430254 its reverse (4520340201), we get a palindrome (5540770455).

The spelling of 1020430254 in words is "one billion, twenty million, four hundred thirty thousand, two hundred fifty-four".