1203561151 has 16 divisors (see below), whose sum is σ = 1318766400. Its totient is φ = 1091743488.

The previous prime is 1203561071. The next prime is 1203561157. The reversal of 1203561151 is 1511653021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1203561151 - 2¹⁷ = 1203430079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203561157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190105 + ... + 196333.

It is an arithmetic number, because the mean of its divisors is an integer number (82422900).

Almost surely, 2^1203561151 is an apocalyptic number.

1203561151 is a deficient number, since it is larger than the sum of its proper divisors (115205249).

1203561151 is a wasteful number, since it uses less digits than its factorization.

1203561151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6498.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1203561151 is about 34692.3788604933. The cubic root of 1203561151 is about 1063.7087220537.

The spelling of 1203561151 in words is "one billion, two hundred three million, five hundred sixty-one thousand, one hundred fifty-one".