1075121051 has 4 divisors (see below), whose sum is σ = 1075859400. Its totient is φ = 1074382704.

The previous prime is 1075121029. The next prime is 1075121081. The reversal of 1075121051 is 1501215701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1501215701 = 5407 ⋅277643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1075121051 is a prime.

It is a super-3 number, since 3×1075121051³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1075121081) 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, 366986 + ... + 369903.

It is an arithmetic number, because the mean of its divisors is an integer number (268964850).

Almost surely, 2^1075121051 is an apocalyptic number.

1075121051 is a deficient number, since it is larger than the sum of its proper divisors (738349).

1075121051 is an equidigital number, since it uses as much as digits as its factorization.

1075121051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738348.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1075121051 is about 32789.0385799889. The cubic root of 1075121051 is about 1024.4382568612.

Adding to 1075121051 its reverse (1501215701), we get a palindrome (2576336752).

The spelling of 1075121051 in words is "one billion, seventy-five million, one hundred twenty-one thousand, fifty-one".