1240626233 has 16 divisors (see below), whose sum is σ = 1614007296. Its totient is φ = 924689040.

The previous prime is 1240626229. The next prime is 1240626253. The reversal of 1240626233 is 3326260421.

It is not a de Polignac number, because 1240626233 - 2² = 1240626229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240626196 and 1240626205.

It is not an unprimeable number, because it can be changed into a prime (1240626253) 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, 348491 + ... + 352032.

It is an arithmetic number, because the mean of its divisors is an integer number (100875456).

Almost surely, 2^1240626233 is an apocalyptic number.

It is an amenable number.

1240626233 is a deficient number, since it is larger than the sum of its proper divisors (373381063).

1240626233 is a wasteful number, since it uses less digits than its factorization.

1240626233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700564.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1240626233 is about 35222.5245120221. The cubic root of 1240626233 is about 1074.5178968225.

Adding to 1240626233 its reverse (3326260421), we get a palindrome (4566886654).

The spelling of 1240626233 in words is "one billion, two hundred forty million, six hundred twenty-six thousand, two hundred thirty-three".