1056001205 has 48 divisors (see below), whose sum is σ = 1532772864. Its totient is φ = 695640960.

The previous prime is 1056001187. The next prime is 1056001213. The reversal of 1056001205 is 5021006501.

It is not a de Polignac number, because 1056001205 - 2¹⁰ = 1056000181 is a prime.

It is a super-2 number, since 2×1056001205² = 2230277089922904050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1237559 + ... + 1238411.

It is an arithmetic number, because the mean of its divisors is an integer number (31932768).

Almost surely, 2^1056001205 is an apocalyptic number.

It is an amenable number.

1056001205 is a deficient number, since it is larger than the sum of its proper divisors (476771659).

1056001205 is a wasteful number, since it uses less digits than its factorization.

1056001205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1056001205 is about 32496.1721591944. The cubic root of 1056001205 is about 1018.3290612695.

Adding to 1056001205 its reverse (5021006501), we get a palindrome (6077007706).

The spelling of 1056001205 in words is "one billion, fifty-six million, one thousand, two hundred five".