1240772001 has 8 divisors (see below), whose sum is σ = 1890700224. Its totient is φ = 709012560.

The previous prime is 1240771997. The next prime is 1240772003. The reversal of 1240772001 is 1002770421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1240772001 - 2² = 1240771997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240772003) 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, 29542170 + ... + 29542211.

It is an arithmetic number, because the mean of its divisors is an integer number (236337528).

Almost surely, 2^1240772001 is an apocalyptic number.

It is an amenable number.

1240772001 is a deficient number, since it is larger than the sum of its proper divisors (649928223).

1240772001 is an equidigital number, since it uses as much as digits as its factorization.

1240772001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59084391.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 1240772001 is about 35224.5936953146. The cubic root of 1240772001 is about 1074.5599788470.

The spelling of 1240772001 in words is "one billion, two hundred forty million, seven hundred seventy-two thousand, one".