1051605051 has 8 divisors (see below), whose sum is σ = 1602445824. Its totient is φ = 600917160.

The previous prime is 1051605029. The next prime is 1051605067. The reversal of 1051605051 is 1505061501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1051605051 - 2⁶ = 1051604987 is a prime.

It is a super-2 number, since 2×1051605051² = 2211746366577425202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051605151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25038195 + ... + 25038236.

It is an arithmetic number, because the mean of its divisors is an integer number (200305728).

Almost surely, 2^1051605051 is an apocalyptic number.

1051605051 is a deficient number, since it is larger than the sum of its proper divisors (550840773).

1051605051 is an equidigital number, since it uses as much as digits as its factorization.

1051605051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50076441.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1051605051 is about 32428.4605092502. The cubic root of 1051605051 is about 1016.9139877504.

Adding to 1051605051 its reverse (1505061501), we get a palindrome (2556666552).

The spelling of 1051605051 in words is "one billion, fifty-one million, six hundred five thousand, fifty-one".