121126487 has 8 divisors (see below), whose sum is σ = 126503520. Its totient is φ = 115758720.

The previous prime is 121126459. The next prime is 121126507. The reversal of 121126487 is 784621121.

It is a happy number.

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 121126487 - 2⁸ = 121126231 is a prime.

It is a super-2 number, since 2×121126487² = 29343251705922338, which contains 22 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 (121126427) 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, 46787 + ... + 49307.

It is an arithmetic number, because the mean of its divisors is an integer number (15812940).

Almost surely, 2^121126487 is an apocalyptic number.

121126487 is a deficient number, since it is larger than the sum of its proper divisors (5377033).

121126487 is a wasteful number, since it uses less digits than its factorization.

121126487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633.

The product of its digits is 5376, while the sum is 32.

The square root of 121126487 is about 11005.7479073437. The cubic root of 121126487 is about 494.7810302460.

The spelling of 121126487 in words is "one hundred twenty-one million, one hundred twenty-six thousand, four hundred eighty-seven".