1254303340 has 12 divisors (see below), whose sum is σ = 2634037056. Its totient is φ = 501721328.

The previous prime is 1254303319. The next prime is 1254303341. The reversal of 1254303340 is 433034521.

It is not an unprimeable number, because it can be changed into a prime (1254303341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31357564 + ... + 31357603.

It is an arithmetic number, because the mean of its divisors is an integer number (219503088).

Almost surely, 2^1254303340 is an apocalyptic number.

1254303340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254303340 is an abundant number, since it is smaller than the sum of its proper divisors (1379733716).

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

1254303340 is a wasteful number, since it uses less digits than its factorization.

1254303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62715176 (or 62715174 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1254303340 is about 35416.1451883177. The cubic root of 1254303340 is about 1078.4520978123.

Adding to 1254303340 its reverse (433034521), we get a palindrome (1687337861).

The spelling of 1254303340 in words is "one billion, two hundred fifty-four million, three hundred three thousand, three hundred forty".