10278961 has 8 divisors (see below), whose sum is σ = 12815424. Its totient is φ = 8009520.

The previous prime is 10278959. The next prime is 10278971. The reversal of 10278961 is 16987201.

10278961 = 178² + 179² + ... + 331².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10278961 - 2¹ = 10278959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10278971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66670 + ... + 66823.

It is an arithmetic number, because the mean of its divisors is an integer number (1601928).

Almost surely, 2^10278961 is an apocalyptic number.

10278961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10278961 is a deficient number, since it is larger than the sum of its proper divisors (2536463).

10278961 is a wasteful number, since it uses less digits than its factorization.

10278961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133511.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 10278961 is about 3206.0818766838. The cubic root of 10278961 is about 217.4284681316.

The spelling of 10278961 in words is "ten million, two hundred seventy-eight thousand, nine hundred sixty-one".