1254401012 has 24 divisors (see below), whose sum is σ = 2220825600. Its totient is φ = 619901600.

The previous prime is 1254401009. The next prime is 1254401039. The reversal of 1254401012 is 2101044521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258989 + ... + 263787.

It is an arithmetic number, because the mean of its divisors is an integer number (92534400).

Almost surely, 2^1254401012 is an apocalyptic number.

It is an amenable number.

1254401012 is a deficient number, since it is larger than the sum of its proper divisors (966424588).

1254401012 is a wasteful number, since it uses less digits than its factorization.

1254401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1254401012 is about 35417.5240806017. The cubic root of 1254401012 is about 1078.4800899351.

Adding to 1254401012 its reverse (2101044521), we get a palindrome (3355445533).

The spelling of 1254401012 in words is "one billion, two hundred fifty-four million, four hundred one thousand, twelve".