242501012501261 has 8 divisors (see below), whose sum is σ = 249101155729920. Its totient is φ = 235903293578448.

The previous prime is 242501012501173. The next prime is 242501012501269. The reversal of 242501012501261 is 162105210105242.

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 242501012501261 - 2²⁶ = 242500945392397 is a prime.

It is a super-3 number, since 3×242501012501261³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242501012501269) 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, 605873681 + ... + 606273798.

It is an arithmetic number, because the mean of its divisors is an integer number (31137644466240).

Almost surely, 2^{242501012501261} is an apocalyptic number.

It is an amenable number.

242501012501261 is a deficient number, since it is larger than the sum of its proper divisors (6600143228659).

242501012501261 is a wasteful number, since it uses less digits than its factorization.

242501012501261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212152923.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 242501012501261 in words is "two hundred forty-two trillion, five hundred one billion, twelve million, five hundred one thousand, two hundred sixty-one".