1240100151 has 8 divisors (see below), whose sum is σ = 1740491520. Its totient is φ = 783221112.

The previous prime is 1240100137. The next prime is 1240100153. The reversal of 1240100151 is 1510010421.

It is a happy number.

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

It is not a de Polignac number, because 1240100151 - 2⁶ = 1240100087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240100151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240100153) 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, 10878015 + ... + 10878128.

It is an arithmetic number, because the mean of its divisors is an integer number (217561440).

Almost surely, 2^1240100151 is an apocalyptic number.

1240100151 is a deficient number, since it is larger than the sum of its proper divisors (500391369).

1240100151 is a wasteful number, since it uses less digits than its factorization.

1240100151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21756165.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1240100151 is about 35215.0557432471. The cubic root of 1240100151 is about 1074.3659938479.

Adding to 1240100151 its reverse (1510010421), we get a palindrome (2750110572).

The spelling of 1240100151 in words is "one billion, two hundred forty million, one hundred thousand, one hundred fifty-one".