961278942 has 32 divisors (see below), whose sum is σ = 2095406208. Its totient is φ = 292212576.

The previous prime is 961278937. The next prime is 961278947. The reversal of 961278942 is 249872169.

It is an interprime number because it is at equal distance from previous prime (961278937) and next prime (961278947).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 961278891 and 961278900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961278947) 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, 67768 + ... + 80715.

It is an arithmetic number, because the mean of its divisors is an integer number (65481444).

Almost surely, 2^961278942 is an apocalyptic number.

961278942 is an abundant number, since it is smaller than the sum of its proper divisors (1134127266).

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

961278942 is a wasteful number, since it uses less digits than its factorization.

961278942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148584.

The product of its digits is 435456, while the sum is 48.

The square root of 961278942 is about 31004.4987380864. The cubic root of 961278942 is about 986.9227106428.

The spelling of 961278942 in words is "nine hundred sixty-one million, two hundred seventy-eight thousand, nine hundred forty-two".