1209000254 has 32 divisors (see below), whose sum is σ = 2393991936. Its totient is φ = 443329920.

The previous prime is 1209000253. The next prime is 1209000259. The reversal of 1209000254 is 4520009021.

It is a super-2 number, since 2×1209000254² = 2923363228344129032, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209000253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228284 + ... + 233519.

It is an arithmetic number, because the mean of its divisors is an integer number (74812248).

Almost surely, 2^1209000254 is an apocalyptic number.

1209000254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1209000254 is a deficient number, since it is larger than the sum of its proper divisors (1184991682).

1209000254 is a wasteful number, since it uses less digits than its factorization.

1209000254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461840.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1209000254 is about 34770.6809539301. The cubic root of 1209000254 is about 1065.3086761292.

Adding to 1209000254 its reverse (4520009021), we get a palindrome (5729009275).

The spelling of 1209000254 in words is "one billion, two hundred nine million, two hundred fifty-four", and thus it is an aban number.