1240150461 has 16 divisors (see below), whose sum is σ = 1866058560. Its totient is φ = 725688320.

The previous prime is 1240150451. The next prime is 1240150481. The reversal of 1240150461 is 1640510421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1240150461 - 2⁷ = 1240150333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240150451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646980 + ... + 648893.

It is an arithmetic number, because the mean of its divisors is an integer number (116628660).

Almost surely, 2^1240150461 is an apocalyptic number.

1240150461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1240150461 is a deficient number, since it is larger than the sum of its proper divisors (625908099).

1240150461 is a wasteful number, since it uses less digits than its factorization.

1240150461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295916.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1240150461 is about 35215.7700611530. The cubic root of 1240150461 is about 1074.3805224117.

Adding to 1240150461 its reverse (1640510421), we get a palindrome (2880660882).

The spelling of 1240150461 in words is "one billion, two hundred forty million, one hundred fifty thousand, four hundred sixty-one".