1240445034121 has 8 divisors (see below), whose sum is σ = 1241218737288. Its totient is φ = 1239671520000.

The previous prime is 1240445034011. The next prime is 1240445034137. The reversal of 1240445034121 is 1214305440421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22046310400 + 1218398723721 = 148480^2 + 1103811^2 .

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 1240445034121 - 2¹⁹ = 1240444509833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240445034151) 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, 14438031 + ... + 14523691.

It is an arithmetic number, because the mean of its divisors is an integer number (155152342161).

Almost surely, 2^{1240445034121} is an apocalyptic number.

It is an amenable number.

1240445034121 is a deficient number, since it is larger than the sum of its proper divisors (773703167).

1240445034121 is an equidigital number, since it uses as much as digits as its factorization.

1240445034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94523.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 1240445034121 in words is "one trillion, two hundred forty billion, four hundred forty-five million, thirty-four thousand, one hundred twenty-one".