1070421 has 16 divisors (see below), whose sum is σ = 1574400. Its totient is φ = 641520.

The previous prime is 1070417. The next prime is 1070423. The reversal of 1070421 is 1240701.

1070421 = T₂₃ + T₂₄ + ... + T₁₈₅.

It is not a de Polignac number, because 1070421 - 2² = 1070417 is a prime.

It is a super-2 number, since 2×1070421² = 2291602234482, which contains 22 as substring.

It is a Curzon number.

1070421 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1070421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5280 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (98400).

2^1070421 is an apocalyptic number.

1070421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1070421 is a deficient number, since it is larger than the sum of its proper divisors (503979).

1070421 is a wasteful number, since it uses less digits than its factorization.

1070421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1070421 is about 1034.6115212968. The cubic root of 1070421 is about 102.2943248305.

The spelling of 1070421 in words is "one million, seventy thousand, four hundred twenty-one".