1051203155 has 16 divisors (see below), whose sum is σ = 1346906880. Its totient is φ = 785688288.

The previous prime is 1051203103. The next prime is 1051203161. The reversal of 1051203155 is 5513021501.

It is a happy number.

1051203155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1051203155 - 2¹² = 1051199059 is a prime.

It is a super-2 number, since 2×1051203155² = 2210056146163908050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1051203155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101345 + ... + 111234.

It is an arithmetic number, because the mean of its divisors is an integer number (84181680).

Almost surely, 2^1051203155 is an apocalyptic number.

1051203155 is a deficient number, since it is larger than the sum of its proper divisors (295703725).

1051203155 is a wasteful number, since it uses less digits than its factorization.

1051203155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212650.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1051203155 is about 32422.2632615306. The cubic root of 1051203155 is about 1016.7844252501.

Adding to 1051203155 its reverse (5513021501), we get a palindrome (6564224656).

The spelling of 1051203155 in words is "one billion, fifty-one million, two hundred three thousand, one hundred fifty-five".