1200152145 has 32 divisors (see below), whose sum is σ = 2080501632. Its totient is φ = 588413952.

The previous prime is 1200152143. The next prime is 1200152147. The reversal of 1200152145 is 5412510021.

It is an interprime number because it is at equal distance from previous prime (1200152143) and next prime (1200152147).

It is not a de Polignac number, because 1200152145 - 2¹ = 1200152143 is a prime.

It is a super-2 number, since 2×1200152145² = 2880730342296202050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200152141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43762 + ... + 65691.

It is an arithmetic number, because the mean of its divisors is an integer number (65015676).

Almost surely, 2^1200152145 is an apocalyptic number.

1200152145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1200152145 is a deficient number, since it is larger than the sum of its proper divisors (880349487).

1200152145 is a wasteful number, since it uses less digits than its factorization.

1200152145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109521.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1200152145 is about 34643.2121056925. The cubic root of 1200152145 is about 1062.7034778925.

Adding to 1200152145 its reverse (5412510021), we get a palindrome (6612662166).

It can be divided in two parts, 12001 and 52145, that added together give a palindrome (64146).

The spelling of 1200152145 in words is "one billion, two hundred million, one hundred fifty-two thousand, one hundred forty-five".