1026772254 has 32 divisors (see below), whose sum is σ = 2283927840. Its totient is φ = 341925696.

The previous prime is 1026772223. The next prime is 1026772291. The reversal of 1026772254 is 4522776201.

It is a happy number.

It is a super-2 number, since 2×1026772254² = 2108522523168481032, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 50572 + ... + 67904.

It is an arithmetic number, because the mean of its divisors is an integer number (71372745).

Almost surely, 2^1026772254 is an apocalyptic number.

1026772254 is an abundant number, since it is smaller than the sum of its proper divisors (1257155586).

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

1026772254 is a wasteful number, since it uses less digits than its factorization.

1026772254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18441 (or 18435 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 1026772254 is about 32043.2871909235. The cubic root of 1026772254 is about 1008.8456091577.

The spelling of 1026772254 in words is "one billion, twenty-six million, seven hundred seventy-two thousand, two hundred fifty-four".