1202151025 has 24 divisors (see below), whose sum is σ = 1507173624. Its totient is φ = 951129600.

The previous prime is 1202151023. The next prime is 1202151089. The reversal of 1202151025 is 5201512021.

It can be written as a sum of positive squares in 12 ways, for example, as 189447696 + 1012703329 = 13764^2 + 31823^2 .

It is not a de Polignac number, because 1202151025 - 2¹ = 1202151023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202150993 and 1202151011.

It is not an unprimeable number, because it can be changed into a prime (1202151023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1277055 + ... + 1277995.

It is an arithmetic number, because the mean of its divisors is an integer number (62798901).

Almost surely, 2^1202151025 is an apocalyptic number.

It is an amenable number.

1202151025 is a deficient number, since it is larger than the sum of its proper divisors (305022599).

1202151025 is a wasteful number, since it uses less digits than its factorization.

1202151025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1202151025 is about 34672.0496221380. The cubic root of 1202151025 is about 1063.2931360501.

Adding to 1202151025 its reverse (5201512021), we get a palindrome (6403663046).

The spelling of 1202151025 in words is "one billion, two hundred two million, one hundred fifty-one thousand, twenty-five".