1240151441 has 8 divisors (see below), whose sum is σ = 1259425824. Its totient is φ = 1220899680.

The previous prime is 1240151417. The next prime is 1240151443. The reversal of 1240151441 is 1441510421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240151441 is a prime.

It is a super-2 number, since 2×1240151441² = 3075951193228752962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240151443) 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, 129581 + ... + 138821.

It is an arithmetic number, because the mean of its divisors is an integer number (157428228).

Almost surely, 2^1240151441 is an apocalyptic number.

It is an amenable number.

1240151441 is a deficient number, since it is larger than the sum of its proper divisors (19274383).

1240151441 is an equidigital number, since it uses as much as digits as its factorization.

1240151441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1240151441 is about 35215.7839753710. The cubic root of 1240151441 is about 1074.3808054130.

Adding to 1240151441 its reverse (1441510421), we get a palindrome (2681661862).

The spelling of 1240151441 in words is "one billion, two hundred forty million, one hundred fifty-one thousand, four hundred forty-one".