1057749195 has 32 divisors (see below), whose sum is σ = 1719793152. Its totient is φ = 555040512.

The previous prime is 1057749193. The next prime is 1057749223. The reversal of 1057749195 is 5919477501.

It is not a de Polignac number, because 1057749195 - 2¹ = 1057749193 is a prime.

It is a super-2 number, since 2×1057749195² = 2237666719046296050, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (1057749193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571762 + ... + 573608.

It is an arithmetic number, because the mean of its divisors is an integer number (53743536).

Almost surely, 2^1057749195 is an apocalyptic number.

1057749195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1057749195 is a deficient number, since it is larger than the sum of its proper divisors (662043957).

1057749195 is a wasteful number, since it uses less digits than its factorization.

1057749195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451.

The product of its (nonzero) digits is 396900, while the sum is 48.

The square root of 1057749195 is about 32523.0563600655. The cubic root of 1057749195 is about 1018.8906287355.

The spelling of 1057749195 in words is "one billion, fifty-seven million, seven hundred forty-nine thousand, one hundred ninety-five".