1051211004 has 24 divisors (see below), whose sum is σ = 2472142848. Its totient is φ = 347644080.

The previous prime is 1051210949. The next prime is 1051211017. The reversal of 1051211004 is 4001121501.

It is a happy number.

It is a super-2 number, since 2×1051211004² = 2210089149861376032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343362 + ... + 346409.

It is an arithmetic number, because the mean of its divisors is an integer number (103005952).

Almost surely, 2^1051211004 is an apocalyptic number.

It is an amenable number.

1051211004 is an abundant number, since it is smaller than the sum of its proper divisors (1420931844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051211004 is a wasteful number, since it uses less digits than its factorization.

1051211004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689905 (or 689903 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1051211004 is about 32422.3843046744. The cubic root of 1051211004 is about 1016.7869559126.

Adding to 1051211004 its reverse (4001121501), we get a palindrome (5052332505).

The spelling of 1051211004 in words is "one billion, fifty-one million, two hundred eleven thousand, four".