1025211145 has 16 divisors (see below), whose sum is σ = 1418451840. Its totient is φ = 696777984.

The previous prime is 1025211119. The next prime is 1025211169. The reversal of 1025211145 is 5411125201.

It is not a de Polignac number, because 1025211145 - 2⁷ = 1025211017 is a prime.

It is a super-2 number, since 2×1025211145² = 2102115783664422050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 125655 + ... + 133564.

It is an arithmetic number, because the mean of its divisors is an integer number (88653240).

Almost surely, 2^1025211145 is an apocalyptic number.

It is an amenable number.

1025211145 is a deficient number, since it is larger than the sum of its proper divisors (393240695).

1025211145 is a wasteful number, since it uses less digits than its factorization.

1025211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259344.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1025211145 is about 32018.9185482583. The cubic root of 1025211145 is about 1008.3340654018.

Adding to 1025211145 its reverse (5411125201), we get a palindrome (6436336346).

The spelling of 1025211145 in words is "one billion, twenty-five million, two hundred eleven thousand, one hundred forty-five".