1161250435 has 4 divisors (see below), whose sum is σ = 1393500528. Its totient is φ = 929000344.

The previous prime is 1161250411. The next prime is 1161250459. The reversal of 1161250435 is 5340521611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5340521611 = 43 ⋅124198177.

It is an interprime number because it is at equal distance from previous prime (1161250411) and next prime (1161250459).

It is a cyclic number.

It is not a de Polignac number, because 1161250435 - 2²¹ = 1159153283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116125039 + ... + 116125048.

It is an arithmetic number, because the mean of its divisors is an integer number (348375132).

Almost surely, 2^1161250435 is an apocalyptic number.

1161250435 is a deficient number, since it is larger than the sum of its proper divisors (232250093).

1161250435 is an equidigital number, since it uses as much as digits as its factorization.

1161250435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232250092.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1161250435 is about 34077.1248053588. The cubic root of 1161250435 is about 1051.0949831820.

The spelling of 1161250435 in words is "one billion, one hundred sixty-one million, two hundred fifty thousand, four hundred thirty-five".