1240226705 has 8 divisors (see below), whose sum is σ = 1495752000. Its totient is φ = 987194736.

The previous prime is 1240226693. The next prime is 1240226707. The reversal of 1240226705 is 5076220421.

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 1240226705 - 2²² = 1236032401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1240226707) 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, 622235 + ... + 624224.

It is an arithmetic number, because the mean of its divisors is an integer number (186969000).

Almost surely, 2^1240226705 is an apocalyptic number.

It is an amenable number.

1240226705 is a deficient number, since it is larger than the sum of its proper divisors (255525295).

1240226705 is a wasteful number, since it uses less digits than its factorization.

1240226705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246663.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1240226705 is about 35216.8525708928. The cubic root of 1240226705 is about 1074.4025394686.

The spelling of 1240226705 in words is "one billion, two hundred forty million, two hundred twenty-six thousand, seven hundred five".