1078101612 has 72 divisors (see below), whose sum is σ = 3143702016. Its totient is φ = 305142624.

The previous prime is 1078101571. The next prime is 1078101613. The reversal of 1078101612 is 2161018701.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1078101613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6973 + ... + 46955.

It is an arithmetic number, because the mean of its divisors is an integer number (43662528).

Almost surely, 2^1078101612 is an apocalyptic number.

1078101612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078101612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571851008).

1078101612 is an abundant number, since it is smaller than the sum of its proper divisors (2065600404).

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

1078101612 is a wasteful number, since it uses less digits than its factorization.

1078101612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40107 (or 40102 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 1078101612 is about 32834.4576931004. The cubic root of 1078101612 is about 1025.3840676919.

The spelling of 1078101612 in words is "one billion, seventy-eight million, one hundred one thousand, six hundred twelve".