126670972076890 has 16 divisors (see below), whose sum is σ = 228008281360032. Its totient is φ = 50668270692624.

The previous prime is 126670972076879. The next prime is 126670972076981. The reversal of 126670972076890 is 98670279076621.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10196544 + ... + 18902683.

It is an arithmetic number, because the mean of its divisors is an integer number (14250517585002).

Almost surely, 2^{126670972076890} is an apocalyptic number.

126670972076890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126670972076890 is a deficient number, since it is larger than the sum of its proper divisors (101337309283142).

126670972076890 is a wasteful number, since it uses less digits than its factorization.

126670972076890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29534541.

The product of its (nonzero) digits is 192036096, while the sum is 70.

The spelling of 126670972076890 in words is "one hundred twenty-six trillion, six hundred seventy billion, nine hundred seventy-two million, seventy-six thousand, eight hundred ninety".