It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
21426070 is an apocalyptic number.
1426070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1426070 is a wasteful number, since it uses less digits than its factorization.
1426070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142614.
The square root of 1426070 is about 1194.1817282139. The cubic root of 1426070 is about 112.5590143048.
The spelling of 1426070 in words is "one million, four hundred twenty-six thousand, seventy".