1240270207 has 12 divisors (see below), whose sum is σ = 1443467088. Its totient is φ = 1061192000.

The previous prime is 1240270181. The next prime is 1240270223. The reversal of 1240270207 is 7020720421.

It is not a de Polignac number, because 1240270207 - 2¹⁹ = 1239745919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240270237) 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, 299419 + ... + 303532.

It is an arithmetic number, because the mean of its divisors is an integer number (120288924).

Almost surely, 2^1240270207 is an apocalyptic number.

1240270207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1240270207 is a deficient number, since it is larger than the sum of its proper divisors (203196881).

1240270207 is a wasteful number, since it uses less digits than its factorization.

1240270207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602990 (or 602979 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1240270207 is about 35217.4701959127. The cubic root of 1240270207 is about 1074.4151011808.

Adding to 1240270207 its reverse (7020720421), we get a palindrome (8260990628).

The spelling of 1240270207 in words is "one billion, two hundred forty million, two hundred seventy thousand, two hundred seven".