1254245031 has 12 divisors (see below), whose sum is σ = 1951048008. Its totient is φ = 771843024.

The previous prime is 1254245011. The next prime is 1254245071. The reversal of 1254245031 is 1305424521.

It is a de Polignac number, because none of the positive numbers 2^k-1254245031 is a prime.

It is a super-2 number, since 2×1254245031² = 3146261195576381922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1254244986 and 1254245004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254245011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5359905 + ... + 5360138.

It is an arithmetic number, because the mean of its divisors is an integer number (162587334).

Almost surely, 2^1254245031 is an apocalyptic number.

1254245031 is a deficient number, since it is larger than the sum of its proper divisors (696802977).

1254245031 is a wasteful number, since it uses less digits than its factorization.

1254245031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720062 (or 10720059 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1254245031 is about 35415.3219807473. The cubic root of 1254245031 is about 1078.4353861617.

Adding to 1254245031 its reverse (1305424521), we get a palindrome (2559669552).

The spelling of 1254245031 in words is "one billion, two hundred fifty-four million, two hundred forty-five thousand, thirty-one".