1240101420015 has 32 divisors (see below), whose sum is σ = 2037920817600. Its totient is φ = 643470234624.

The previous prime is 1240101420013. The next prime is 1240101420031. The reversal of 1240101420015 is 5100241010421.

It is not a de Polignac number, because 1240101420015 - 2¹ = 1240101420013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240101419973 and 1240101420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240101420013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9635811 + ... + 9763659.

It is an arithmetic number, because the mean of its divisors is an integer number (63685025550).

Almost surely, 2^{1240101420015} is an apocalyptic number.

1240101420015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1240101420015 is a deficient number, since it is larger than the sum of its proper divisors (797819397585).

1240101420015 is a wasteful number, since it uses less digits than its factorization.

1240101420015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145371.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 1240101420015 its reverse (5100241010421), we get a palindrome (6340342430436).

The spelling of 1240101420015 in words is "one trillion, two hundred forty billion, one hundred one million, four hundred twenty thousand, fifteen".