1071458155 has 4 divisors (see below), whose sum is σ = 1285749792. Its totient is φ = 857166520.

The previous prime is 1071458153. The next prime is 1071458159. The reversal of 1071458155 is 5518541701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5518541701 = 19441 ⋅283861.

It is not a de Polignac number, because 1071458155 - 2¹ = 1071458153 is a prime.

It is a super-2 number, since 2×1071458155² = 2296045155832008050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071458153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107145811 + ... + 107145820.

It is an arithmetic number, because the mean of its divisors is an integer number (321437448).

Almost surely, 2^1071458155 is an apocalyptic number.

1071458155 is a deficient number, since it is larger than the sum of its proper divisors (214291637).

1071458155 is an equidigital number, since it uses as much as digits as its factorization.

1071458155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214291636.

The product of its (nonzero) digits is 28000, while the sum is 37.

The square root of 1071458155 is about 32733.1354287975. The cubic root of 1071458155 is about 1023.2735259026.

Adding to 1071458155 its reverse (5518541701), we get a palindrome (6589999856).

The spelling of 1071458155 in words is "one billion, seventy-one million, four hundred fifty-eight thousand, one hundred fifty-five".