1235153490 has 32 divisors (see below), whose sum is σ = 2965325760. Its totient is φ = 329267904.

The previous prime is 1235153483. The next prime is 1235153497. The reversal of 1235153490 is 943515321.

It is an interprime number because it is at equal distance from previous prime (1235153483) and next prime (1235153497).

It is not an unprimeable number, because it can be changed into a prime (1235153497) 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, 143077 + ... + 151463.

It is an arithmetic number, because the mean of its divisors is an integer number (92666430).

Almost surely, 2^1235153490 is an apocalyptic number.

1235153490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1235153490 is an abundant number, since it is smaller than the sum of its proper divisors (1730172270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1235153490 is a wasteful number, since it uses less digits than its factorization.

1235153490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13306.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1235153490 is about 35144.7505326187. The cubic root of 1235153490 is about 1072.9355700058.

The spelling of 1235153490 in words is "one billion, two hundred thirty-five million, one hundred fifty-three thousand, four hundred ninety".