1065146421 has 16 divisors (see below), whose sum is σ = 1488674880. Its totient is φ = 676663680.

The previous prime is 1065146413. The next prime is 1065146429. The reversal of 1065146421 is 1246415601.

It is an interprime number because it is at equal distance from previous prime (1065146413) and next prime (1065146429).

It is not a de Polignac number, because 1065146421 - 2³ = 1065146413 is a prime.

It is a super-2 number, since 2×1065146421² = 2269073796338218482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065146429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95406 + ... + 105983.

It is an arithmetic number, because the mean of its divisors is an integer number (93042180).

Almost surely, 2^1065146421 is an apocalyptic number.

It is an amenable number.

1065146421 is a deficient number, since it is larger than the sum of its proper divisors (423528459).

1065146421 is a wasteful number, since it uses less digits than its factorization.

1065146421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201476.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1065146421 is about 32636.5810249787. The cubic root of 1065146421 is about 1021.2602713219.

The spelling of 1065146421 in words is "one billion, sixty-five million, one hundred forty-six thousand, four hundred twenty-one".