1101148969 has 2 divisors, whose sum is σ = 1101148970. Its totient is φ = 1101148968.

The previous prime is 1101148963. The next prime is 1101148987. The reversal of 1101148969 is 9698411011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 865065744 + 236083225 = 29412^2 + 15365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101148969 - 2⁹ = 1101148457 is a prime.

It is a super-2 number, since 2×1101148969² = 2425058103859525922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101148963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550574484 + 550574485.

It is an arithmetic number, because the mean of its divisors is an integer number (550574485).

Almost surely, 2^1101148969 is an apocalyptic number.

It is an amenable number.

1101148969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101148969 is an equidigital number, since it uses as much as digits as its factorization.

1101148969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 40.

The square root of 1101148969 is about 33183.5647422033. The cubic root of 1101148969 is about 1032.6394018621.

The spelling of 1101148969 in words is "one billion, one hundred one million, one hundred forty-eight thousand, nine hundred sixty-nine".