1240146303 has 12 divisors (see below), whose sum is σ = 1817515224. Its totient is φ = 751603600.

The previous prime is 1240146293. The next prime is 1240146329. The reversal of 1240146303 is 3036410421.

It is not a de Polignac number, because 1240146303 - 2¹² = 1240142207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240146373) 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, 1707828 + ... + 1708553.

It is an arithmetic number, because the mean of its divisors is an integer number (151459602).

Almost surely, 2^1240146303 is an apocalyptic number.

1240146303 is a deficient number, since it is larger than the sum of its proper divisors (577368921).

1240146303 is a wasteful number, since it uses less digits than its factorization.

1240146303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416406 (or 3416395 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1240146303 is about 35215.7110250524. The cubic root of 1240146303 is about 1074.3793216759.

Adding to 1240146303 its reverse (3036410421), we get a palindrome (4276556724).

The spelling of 1240146303 in words is "one billion, two hundred forty million, one hundred forty-six thousand, three hundred three".