121503020441 has 8 divisors (see below), whose sum is σ = 132551834400. Its totient is φ = 110454720640.

The previous prime is 121503020417. The next prime is 121503020461. The reversal of 121503020441 is 144020305121.

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

It is not a de Polignac number, because 121503020441 - 2¹⁴ = 121503004057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121503020461) 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, 498665 + ... + 701193.

It is an arithmetic number, because the mean of its divisors is an integer number (16568979300).

Almost surely, 2^121503020441 is an apocalyptic number.

121503020441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121503020441 is a deficient number, since it is larger than the sum of its proper divisors (11048813959).

121503020441 is a wasteful number, since it uses less digits than its factorization.

121503020441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257079.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 121503020441 its reverse (144020305121), we get a palindrome (265523325562).

The spelling of 121503020441 in words is "one hundred twenty-one billion, five hundred three million, twenty thousand, four hundred forty-one".