1124020254 has 32 divisors (see below), whose sum is σ = 2594142720. Its totient is φ = 318029472.

The previous prime is 1124020253. The next prime is 1124020273. The reversal of 1124020254 is 4520204211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1124020254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124020253) 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, 125589 + ... + 134240.

It is an arithmetic number, because the mean of its divisors is an integer number (81066960).

Almost surely, 2^1124020254 is an apocalyptic number.

1124020254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1124020254 is an abundant number, since it is smaller than the sum of its proper divisors (1470122466).

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

1124020254 is a wasteful number, since it uses less digits than its factorization.

1124020254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259944.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1124020254 is about 33526.4112902052. The cubic root of 1124020254 is about 1039.7399047556.

Adding to 1124020254 its reverse (4520204211), we get a palindrome (5644224465).

The spelling of 1124020254 in words is "one billion, one hundred twenty-four million, twenty thousand, two hundred fifty-four".