1061278950 has 48 divisors (see below), whose sum is σ = 2635987536. Its totient is φ = 282576000.

The previous prime is 1061278921. The next prime is 1061279033. The reversal of 1061278950 is 598721601.

It is a super-2 number, since 2×1061278950² = 2252626019426205000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1061278899 and 1061278908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100104 + ... + 110196.

It is an arithmetic number, because the mean of its divisors is an integer number (54916407).

Almost surely, 2^1061278950 is an apocalyptic number.

1061278950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1061278950 is an abundant number, since it is smaller than the sum of its proper divisors (1574708586).

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

1061278950 is a wasteful number, since it uses less digits than its factorization.

1061278950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10809 (or 10804 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1061278950 is about 32577.2765896721. The cubic root of 1061278950 is about 1020.0227311351.

The spelling of 1061278950 in words is "one billion, sixty-one million, two hundred seventy-eight thousand, nine hundred fifty".