1254542003 has 8 divisors (see below), whose sum is σ = 1473867696. Its totient is φ = 1052762400.

The previous prime is 1254541997. The next prime is 1254542021. The reversal of 1254542003 is 3002454521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1254542003 - 2¹⁰ = 1254540979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254542033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4386368 + ... + 4386653.

It is an arithmetic number, because the mean of its divisors is an integer number (184233462).

Almost surely, 2^1254542003 is an apocalyptic number.

1254542003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1254542003 is a deficient number, since it is larger than the sum of its proper divisors (219325693).

1254542003 is a wasteful number, since it uses less digits than its factorization.

1254542003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773045.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1254542003 is about 35419.5144376656. The cubic root of 1254542003 is about 1078.5204944226.

Adding to 1254542003 its reverse (3002454521), we get a palindrome (4256996524).

The spelling of 1254542003 in words is "one billion, two hundred fifty-four million, five hundred forty-two thousand, three".