1240671033 has 48 divisors (see below), whose sum is σ = 2263930560. Its totient is φ = 667239552.

The previous prime is 1240671007. The next prime is 1240671043. The reversal of 1240671033 is 3301760421.

It is not a de Polignac number, because 1240671033 - 2⁸ = 1240670777 is a prime.

It is a super-2 number, since 2×1240671033² = 3078529224250574178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1240670988 and 1240671006.

It is not an unprimeable number, because it can be changed into a prime (1240671043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5091 + ... + 50072.

It is an arithmetic number, because the mean of its divisors is an integer number (47165220).

Almost surely, 2^1240671033 is an apocalyptic number.

It is an amenable number.

1240671033 is a deficient number, since it is larger than the sum of its proper divisors (1023259527).

1240671033 is a wasteful number, since it uses less digits than its factorization.

1240671033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55203 (or 55190 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1240671033 is about 35223.1604629681. The cubic root of 1240671033 is about 1074.5308305654.

The spelling of 1240671033 in words is "one billion, two hundred forty million, six hundred seventy-one thousand, thirty-three".