1071435490 has 16 divisors (see below), whose sum is σ = 1945653048. Its totient is φ = 424781056.

The previous prime is 1071435487. The next prime is 1071435503. The reversal of 1071435490 is 945341701.

It can be written as a sum of positive squares in 4 ways, for example, as 880249561 + 191185929 = 29669^2 + 13827^2 .

It is a super-2 number, since 2×1071435490² = 2295948018463080200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472957 + ... + 475216.

Almost surely, 2^1071435490 is an apocalyptic number.

1071435490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071435490 is a deficient number, since it is larger than the sum of its proper divisors (874217558).

1071435490 is a wasteful number, since it uses less digits than its factorization.

1071435490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948293.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1071435490 is about 32732.7892181525. The cubic root of 1071435490 is about 1023.2663106082.

The spelling of 1071435490 in words is "one billion, seventy-one million, four hundred thirty-five thousand, four hundred ninety".