1254223400 has 48 divisors (see below), whose sum is σ = 2918635740. Its totient is φ = 501248000.

The previous prime is 1254223393. The next prime is 1254223403. The reversal of 1254223400 is 43224521.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1070729284 + 183494116 = 32722^2 + 13546^2 .

It is not an unprimeable number, because it can be changed into a prime (1254223403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318242 + ... + 322158.

Almost surely, 2^1254223400 is an apocalyptic number.

1254223400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254223400 is an abundant number, since it is smaller than the sum of its proper divisors (1664412340).

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

1254223400 is a wasteful number, since it uses less digits than its factorization.

1254223400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534 (or 5525 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1254223400 is about 35415.0165890121. The cubic root of 1254223400 is about 1078.4291864773.

Adding to 1254223400 its reverse (43224521), we get a palindrome (1297447921).

The spelling of 1254223400 in words is "one billion, two hundred fifty-four million, two hundred twenty-three thousand, four hundred".