1240700461 has 16 divisors (see below), whose sum is σ = 1665836928. Its totient is φ = 892411200.

The previous prime is 1240700453. The next prime is 1240700471. The reversal of 1240700461 is 1640070421.

It is a cyclic number.

It is not a de Polignac number, because 1240700461 - 2³ = 1240700453 is a prime.

It is a super-2 number, since 2×1240700461² = 3078675267851225042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240700471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618730 + ... + 620731.

It is an arithmetic number, because the mean of its divisors is an integer number (104114808).

Almost surely, 2^1240700461 is an apocalyptic number.

1240700461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1240700461 is a deficient number, since it is larger than the sum of its proper divisors (425136467).

1240700461 is a wasteful number, since it uses less digits than its factorization.

1240700461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239492.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1240700461 is about 35223.5781969975. The cubic root of 1240700461 is about 1074.5393262484.

Adding to 1240700461 its reverse (1640070421), we get a palindrome (2880770882).

The spelling of 1240700461 in words is "one billion, two hundred forty million, seven hundred thousand, four hundred sixty-one".