1011199967 has 16 divisors (see below), whose sum is σ = 1079930880. Its totient is φ = 943539072.

The previous prime is 1011199957. The next prime is 1011200011. The reversal of 1011199967 is 7699911101.

It is a cyclic number.

It is not a de Polignac number, because 1011199967 - 2²² = 1007005663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011199957) 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, 1360598 + ... + 1361340.

It is an arithmetic number, because the mean of its divisors is an integer number (67495680).

Almost surely, 2^1011199967 is an apocalyptic number.

1011199967 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1011199967 is a deficient number, since it is larger than the sum of its proper divisors (68730913).

1011199967 is a wasteful number, since it uses less digits than its factorization.

1011199967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 30618, while the sum is 44.

The square root of 1011199967 is about 31799.3705440847. The cubic root of 1011199967 is about 1003.7194707186.

The spelling of 1011199967 in words is "one billion, eleven million, one hundred ninety-nine thousand, nine hundred sixty-seven".