127421706 has 8 divisors (see below), whose sum is σ = 254843424. Its totient is φ = 42473900.

The previous prime is 127421689. The next prime is 127421713. The reversal of 127421706 is 607124721.

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

127421706 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10618470 + ... + 10618481.

It is an arithmetic number, because the mean of its divisors is an integer number (31855428).

Almost surely, 2^127421706 is an apocalyptic number.

127421706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127421706 is a wasteful number, since it uses less digits than its factorization.

127421706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21236956.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 127421706 is about 11288.1223416474. The cubic root of 127421706 is about 503.2083107852.

The spelling of 127421706 in words is "one hundred twenty-seven million, four hundred twenty-one thousand, seven hundred six".