1061004420 has 120 divisors (see below), whose sum is σ = 3803937984. Its totient is φ = 242512704.

The previous prime is 1061004383. The next prime is 1061004449. The reversal of 1061004420 is 244001601.

1061004420 is a `hidden beast` number, since 10 + 610 + 0 + 4 + 42 + 0 = 666.

It is a super-3 number, since 3×1061004420³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1061004393 and 1061004402.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35442 + ... + 58121.

Almost surely, 2^1061004420 is an apocalyptic number.

1061004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061004420 is an abundant number, since it is smaller than the sum of its proper divisors (2742933564).

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

1061004420 is a wasteful number, since it uses less digits than its factorization.

1061004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93591 (or 93580 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1061004420 is about 32573.0627973484. The cubic root of 1061004420 is about 1019.9347709152.

The spelling of 1061004420 in words is "one billion, sixty-one million, four thousand, four hundred twenty".