126987873467 has 8 divisors (see below), whose sum is σ = 156292767456. Its totient is φ = 100473921792.

The previous prime is 126987873449. The next prime is 126987873479. The reversal of 126987873467 is 764378789621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126987873467 is a prime.

It is a super-2 number, since 2×126987873467² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126987873397 and 126987873406.

It is not an unprimeable number, because it can be changed into a prime (126987873407) 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, 697735478 + ... + 697735659.

It is an arithmetic number, because the mean of its divisors is an integer number (19536595932).

Almost surely, 2^126987873467 is an apocalyptic number.

126987873467 is a deficient number, since it is larger than the sum of its proper divisors (29304893989).

126987873467 is a wasteful number, since it uses less digits than its factorization.

126987873467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395471157.

The product of its digits is 170698752, while the sum is 68.

The spelling of 126987873467 in words is "one hundred twenty-six billion, nine hundred eighty-seven million, eight hundred seventy-three thousand, four hundred sixty-seven".